74079880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 205286400

約数和(自身を除く): 131206520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 79, 85, 119, 136, 140, 158, 170, 197, 238, 280, 316, 340, 394, 395, 476, 553, 595, 632, 680, 788, 790, 952, 985, 1106, 1190, 1343, 1379, 1576, 1580, 1970, 2212, 2380, 2686, 2758, 2765, 3160, 3349, 3940, 4424, 4760, 5372, 5516, 5530, 6698, 6715, 6895, 7880, 9401, 10744, 11032, 11060, 13396, 13430, 13790, 15563, 16745, 18802, 22120, 23443, 26792, 26860, 27580, 31126, 33490, 37604, 46886, 47005, 53720, 55160, 62252, 66980, 75208, 77815, 93772, 94010, 108941, 117215, 124504, 133960, 155630, 187544, 188020, 217882, 234430, 264571, 311260, 376040, 435764, 468860, 529142, 544705, 622520, 871528, 937720, 1058284, 1089410, 1322855, 1851997, 2116568, 2178820, 2645710, 3703994, 4357640, 5291420, 7407988, 9259985, 10582840, 14815976, 18519970, 37039940, 74079880]

約数ペア:

[(1, 74079880), (2, 37039940), (4, 18519970), (5, 14815976), (7, 10582840), (8, 9259985), (10, 7407988), (14, 5291420), (17, 4357640), (20, 3703994), (28, 2645710), (34, 2178820), (35, 2116568), (40, 1851997), (56, 1322855), (68, 1089410), (70, 1058284), (79, 937720), (85, 871528), (119, 622520), (136, 544705), (140, 529142), (158, 468860), (170, 435764), (197, 376040), (238, 311260), (280, 264571), (316, 234430), (340, 217882), (394, 188020), (395, 187544), (476, 155630), (553, 133960), (595, 124504), (632, 117215), (680, 108941), (788, 94010), (790, 93772), (952, 77815), (985, 75208), (1106, 66980), (1190, 62252), (1343, 55160), (1379, 53720), (1576, 47005), (1580, 46886), (1970, 37604), (2212, 33490), (2380, 31126), (2686, 27580), (2758, 26860), (2765, 26792), (3160, 23443), (3349, 22120), (3940, 18802), (4424, 16745), (4760, 15563), (5372, 13790), (5516, 13430), (5530, 13396), (6698, 11060), (6715, 11032), (6895, 10744), (7880, 9401)]