1376702980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{4423}}^1$

素因数の和:4708

約数の個数: 48

約数和(自身を含む): 2943198720

約数和(自身を除く): 1566495740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 197, 316, 394, 395, 788, 790, 985, 1580, 1970, 3940, 4423, 8846, 15563, 17692, 22115, 31126, 44230, 62252, 77815, 88460, 155630, 311260, 349417, 698834, 871331, 1397668, 1742662, 1747085, 3485324, 3494170, 4356655, 6988340, 8713310, 17426620, 68835149, 137670298, 275340596, 344175745, 688351490, 1376702980]

約数ペア:

[(1, 1376702980), (2, 688351490), (4, 344175745), (5, 275340596), (10, 137670298), (20, 68835149), (79, 17426620), (158, 8713310), (197, 6988340), (316, 4356655), (394, 3494170), (395, 3485324), (788, 1747085), (790, 1742662), (985, 1397668), (1580, 871331), (1970, 698834), (3940, 349417), (4423, 311260), (8846, 155630), (15563, 88460), (17692, 77815), (22115, 62252), (31126, 44230)]