979967420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{39293}}^1$

素因数の和:39374

約数の個数: 48

約数和(自身を含む): 2178459360

約数和(自身を除く): 1198491940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 2494, 4988, 6235, 12470, 24940, 39293, 78586, 157172, 196465, 392930, 785860, 1139497, 1689599, 2278994, 3379198, 4557988, 5697485, 6758396, 8447995, 11394970, 16895990, 22789940, 33791980, 48998371, 97996742, 195993484, 244991855, 489983710, 979967420]

約数ペア:

[(1, 979967420), (2, 489983710), (4, 244991855), (5, 195993484), (10, 97996742), (20, 48998371), (29, 33791980), (43, 22789940), (58, 16895990), (86, 11394970), (116, 8447995), (145, 6758396), (172, 5697485), (215, 4557988), (290, 3379198), (430, 2278994), (580, 1689599), (860, 1139497), (1247, 785860), (2494, 392930), (4988, 196465), (6235, 157172), (12470, 78586), (24940, 39293)]