248404240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 160

約数和(自身を含む): 699955200

約数和(自身を除く): 451550960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 41, 56, 62, 70, 80, 82, 112, 124, 140, 155, 164, 205, 217, 248, 280, 287, 310, 328, 349, 410, 434, 496, 560, 574, 620, 656, 698, 820, 868, 1085, 1148, 1240, 1271, 1396, 1435, 1640, 1736, 1745, 2170, 2296, 2443, 2480, 2542, 2792, 2870, 3280, 3472, 3490, 4340, 4592, 4886, 5084, 5584, 5740, 6355, 6980, 8680, 8897, 9772, 10168, 10819, 11480, 12215, 12710, 13960, 14309, 17360, 17794, 19544, 20336, 21638, 22960, 24430, 25420, 27920, 28618, 35588, 39088, 43276, 44485, 48860, 50840, 54095, 57236, 71176, 71545, 75733, 86552, 88970, 97720, 100163, 101680, 108190, 114472, 142352, 143090, 151466, 173104, 177940, 195440, 200326, 216380, 228944, 286180, 302932, 355880, 378665, 400652, 432760, 443579, 500815, 572360, 605864, 711760, 757330, 801304, 865520, 887158, 1001630, 1144720, 1211728, 1514660, 1602608, 1774316, 2003260, 2217895, 3029320, 3105053, 3548632, 4006520, 4435790, 6058640, 6210106, 7097264, 8013040, 8871580, 12420212, 15525265, 17743160, 24840424, 31050530, 35486320, 49680848, 62101060, 124202120, 248404240]

約数ペア:

[(1, 248404240), (2, 124202120), (4, 62101060), (5, 49680848), (7, 35486320), (8, 31050530), (10, 24840424), (14, 17743160), (16, 15525265), (20, 12420212), (28, 8871580), (31, 8013040), (35, 7097264), (40, 6210106), (41, 6058640), (56, 4435790), (62, 4006520), (70, 3548632), (80, 3105053), (82, 3029320), (112, 2217895), (124, 2003260), (140, 1774316), (155, 1602608), (164, 1514660), (205, 1211728), (217, 1144720), (248, 1001630), (280, 887158), (287, 865520), (310, 801304), (328, 757330), (349, 711760), (410, 605864), (434, 572360), (496, 500815), (560, 443579), (574, 432760), (620, 400652), (656, 378665), (698, 355880), (820, 302932), (868, 286180), (1085, 228944), (1148, 216380), (1240, 200326), (1271, 195440), (1396, 177940), (1435, 173104), (1640, 151466), (1736, 143090), (1745, 142352), (2170, 114472), (2296, 108190), (2443, 101680), (2480, 100163), (2542, 97720), (2792, 88970), (2870, 86552), (3280, 75733), (3472, 71545), (3490, 71176), (4340, 57236), (4592, 54095), (4886, 50840), (5084, 48860), (5584, 44485), (5740, 43276), (6355, 39088), (6980, 35588), (8680, 28618), (8897, 27920), (9772, 25420), (10168, 24430), (10819, 22960), (11480, 21638), (12215, 20336), (12710, 19544), (13960, 17794), (14309, 17360)]