1999333840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2$

素因数の和:198

約数の個数: 240

約数和(自身を含む): 5725633536

約数和(自身を除く): 3726299696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 41, 53, 56, 62, 70, 80, 82, 106, 112, 124, 140, 155, 164, 205, 212, 217, 248, 265, 280, 287, 310, 328, 371, 410, 424, 434, 496, 530, 560, 574, 620, 656, 742, 820, 848, 868, 1060, 1085, 1148, 1240, 1271, 1435, 1484, 1640, 1643, 1736, 1855, 2120, 2170, 2173, 2296, 2480, 2542, 2809, 2870, 2968, 3280, 3286, 3472, 3710, 4240, 4340, 4346, 4592, 5084, 5618, 5740, 5936, 6355, 6572, 7420, 8215, 8680, 8692, 8897, 10168, 10865, 11236, 11480, 11501, 12710, 13144, 14045, 14840, 15211, 16430, 17360, 17384, 17794, 19663, 20336, 21730, 22472, 22960, 23002, 25420, 26288, 28090, 29680, 30422, 32860, 34768, 35588, 39326, 43460, 44485, 44944, 46004, 50840, 56180, 57505, 60844, 65720, 67363, 71176, 76055, 78652, 86920, 87079, 88970, 92008, 98315, 101680, 112360, 115010, 115169, 121688, 131440, 134726, 142352, 152110, 157304, 173840, 174158, 177940, 184016, 196630, 224720, 230020, 230338, 243376, 269452, 304220, 314608, 336815, 348316, 355880, 393260, 435395, 460040, 460676, 471541, 538904, 575845, 608440, 609553, 673630, 696632, 711760, 786520, 806183, 870790, 920080, 921352, 943082, 1077808, 1151690, 1216880, 1219106, 1347260, 1393264, 1573040, 1612366, 1741580, 1842704, 1886164, 2303380, 2357705, 2438212, 2694520, 3047765, 3224732, 3483160, 3570239, 3772328, 4030915, 4606760, 4715410, 4876424, 5389040, 6095530, 6449464, 6966320, 7140478, 7544656, 8061830, 9213520, 9430820, 9752848, 12191060, 12898928, 14280956, 16123660, 17851195, 18861640, 24382120, 24991673, 28561912, 32247320, 35702390, 37723280, 48764240, 49983346, 57123824, 64494640, 71404780, 99966692, 124958365, 142809560, 199933384, 249916730, 285619120, 399866768, 499833460, 999666920, 1999333840]

約数ペア:

[(1, 1999333840), (2, 999666920), (4, 499833460), (5, 399866768), (7, 285619120), (8, 249916730), (10, 199933384), (14, 142809560), (16, 124958365), (20, 99966692), (28, 71404780), (31, 64494640), (35, 57123824), (40, 49983346), (41, 48764240), (53, 37723280), (56, 35702390), (62, 32247320), (70, 28561912), (80, 24991673), (82, 24382120), (106, 18861640), (112, 17851195), (124, 16123660), (140, 14280956), (155, 12898928), (164, 12191060), (205, 9752848), (212, 9430820), (217, 9213520), (248, 8061830), (265, 7544656), (280, 7140478), (287, 6966320), (310, 6449464), (328, 6095530), (371, 5389040), (410, 4876424), (424, 4715410), (434, 4606760), (496, 4030915), (530, 3772328), (560, 3570239), (574, 3483160), (620, 3224732), (656, 3047765), (742, 2694520), (820, 2438212), (848, 2357705), (868, 2303380), (1060, 1886164), (1085, 1842704), (1148, 1741580), (1240, 1612366), (1271, 1573040), (1435, 1393264), (1484, 1347260), (1640, 1219106), (1643, 1216880), (1736, 1151690), (1855, 1077808), (2120, 943082), (2170, 921352), (2173, 920080), (2296, 870790), (2480, 806183), (2542, 786520), (2809, 711760), (2870, 696632), (2968, 673630), (3280, 609553), (3286, 608440), (3472, 575845), (3710, 538904), (4240, 471541), (4340, 460676), (4346, 460040), (4592, 435395), (5084, 393260), (5618, 355880), (5740, 348316), (5936, 336815), (6355, 314608), (6572, 304220), (7420, 269452), (8215, 243376), (8680, 230338), (8692, 230020), (8897, 224720), (10168, 196630), (10865, 184016), (11236, 177940), (11480, 174158), (11501, 173840), (12710, 157304), (13144, 152110), (14045, 142352), (14840, 134726), (15211, 131440), (16430, 121688), (17360, 115169), (17384, 115010), (17794, 112360), (19663, 101680), (20336, 98315), (21730, 92008), (22472, 88970), (22960, 87079), (23002, 86920), (25420, 78652), (26288, 76055), (28090, 71176), (29680, 67363), (30422, 65720), (32860, 60844), (34768, 57505), (35588, 56180), (39326, 50840), (43460, 46004), (44485, 44944)]