197157520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 160

約数和(自身を含む): 555964416

約数和(自身を除く): 358806896

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, 277, 280, 287, 310, 328, 410, 434, 496, 554, 560, 574, 620, 656, 820, 868, 1085, 1108, 1148, 1240, 1271, 1385, 1435, 1640, 1736, 1939, 2170, 2216, 2296, 2480, 2542, 2770, 2870, 3280, 3472, 3878, 4340, 4432, 4592, 5084, 5540, 5740, 6355, 7756, 8587, 8680, 8897, 9695, 10168, 11080, 11357, 11480, 12710, 15512, 17174, 17360, 17794, 19390, 20336, 22160, 22714, 22960, 25420, 31024, 34348, 35588, 38780, 42935, 44485, 45428, 50840, 56785, 60109, 68696, 71176, 77560, 79499, 85870, 88970, 90856, 101680, 113570, 120218, 137392, 142352, 155120, 158998, 171740, 177940, 181712, 227140, 240436, 300545, 317996, 343480, 352067, 355880, 397495, 454280, 480872, 601090, 635992, 686960, 704134, 711760, 794990, 908560, 961744, 1202180, 1271984, 1408268, 1589980, 1760335, 2404360, 2464469, 2816536, 3179960, 3520670, 4808720, 4928938, 5633072, 6359920, 7041340, 9857876, 12322345, 14082680, 19715752, 24644690, 28165360, 39431504, 49289380, 98578760, 197157520]

約数ペア:

[(1, 197157520), (2, 98578760), (4, 49289380), (5, 39431504), (7, 28165360), (8, 24644690), (10, 19715752), (14, 14082680), (16, 12322345), (20, 9857876), (28, 7041340), (31, 6359920), (35, 5633072), (40, 4928938), (41, 4808720), (56, 3520670), (62, 3179960), (70, 2816536), (80, 2464469), (82, 2404360), (112, 1760335), (124, 1589980), (140, 1408268), (155, 1271984), (164, 1202180), (205, 961744), (217, 908560), (248, 794990), (277, 711760), (280, 704134), (287, 686960), (310, 635992), (328, 601090), (410, 480872), (434, 454280), (496, 397495), (554, 355880), (560, 352067), (574, 343480), (620, 317996), (656, 300545), (820, 240436), (868, 227140), (1085, 181712), (1108, 177940), (1148, 171740), (1240, 158998), (1271, 155120), (1385, 142352), (1435, 137392), (1640, 120218), (1736, 113570), (1939, 101680), (2170, 90856), (2216, 88970), (2296, 85870), (2480, 79499), (2542, 77560), (2770, 71176), (2870, 68696), (3280, 60109), (3472, 56785), (3878, 50840), (4340, 45428), (4432, 44485), (4592, 42935), (5084, 38780), (5540, 35588), (5740, 34348), (6355, 31024), (7756, 25420), (8587, 22960), (8680, 22714), (8897, 22160), (9695, 20336), (10168, 19390), (11080, 17794), (11357, 17360), (11480, 17174), (12710, 15512)]