4363940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 10983672

約数和(自身を除く): 6619732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 73, 98, 122, 140, 146, 196, 244, 245, 292, 305, 365, 427, 490, 511, 610, 730, 854, 980, 1022, 1220, 1460, 1708, 2044, 2135, 2555, 2989, 3577, 4270, 4453, 5110, 5978, 7154, 8540, 8906, 10220, 11956, 14308, 14945, 17812, 17885, 22265, 29890, 31171, 35770, 44530, 59780, 62342, 71540, 89060, 124684, 155855, 218197, 311710, 436394, 623420, 872788, 1090985, 2181970, 4363940]

約数ペア:

[(1, 4363940), (2, 2181970), (4, 1090985), (5, 872788), (7, 623420), (10, 436394), (14, 311710), (20, 218197), (28, 155855), (35, 124684), (49, 89060), (61, 71540), (70, 62342), (73, 59780), (98, 44530), (122, 35770), (140, 31171), (146, 29890), (196, 22265), (244, 17885), (245, 17812), (292, 14945), (305, 14308), (365, 11956), (427, 10220), (490, 8906), (511, 8540), (610, 7154), (730, 5978), (854, 5110), (980, 4453), (1022, 4270), (1220, 3577), (1460, 2989), (1708, 2555), (2044, 2135)]