431398480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{883}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 1041790464

約数和(自身を除く): 610391984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 197, 248, 310, 394, 496, 620, 788, 883, 985, 1240, 1576, 1766, 1970, 2480, 3152, 3532, 3940, 4415, 6107, 7064, 7880, 8830, 12214, 14128, 15760, 17660, 24428, 27373, 30535, 35320, 48856, 54746, 61070, 70640, 97712, 109492, 122140, 136865, 173951, 218984, 244280, 273730, 347902, 437968, 488560, 547460, 695804, 869755, 1094920, 1391608, 1739510, 2189840, 2783216, 3479020, 5392481, 6958040, 10784962, 13916080, 21569924, 26962405, 43139848, 53924810, 86279696, 107849620, 215699240, 431398480]

約数ペア:

[(1, 431398480), (2, 215699240), (4, 107849620), (5, 86279696), (8, 53924810), (10, 43139848), (16, 26962405), (20, 21569924), (31, 13916080), (40, 10784962), (62, 6958040), (80, 5392481), (124, 3479020), (155, 2783216), (197, 2189840), (248, 1739510), (310, 1391608), (394, 1094920), (496, 869755), (620, 695804), (788, 547460), (883, 488560), (985, 437968), (1240, 347902), (1576, 273730), (1766, 244280), (1970, 218984), (2480, 173951), (3152, 136865), (3532, 122140), (3940, 109492), (4415, 97712), (6107, 70640), (7064, 61070), (7880, 54746), (8830, 48856), (12214, 35320), (14128, 30535), (15760, 27373), (17660, 24428)]