155296820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{6197}}^1$

素因数の和:6392

約数の個数: 48

約数和(自身を含む): 374855040

約数和(自身を除く): 219558220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 6197, 6265, 12394, 12530, 24788, 25060, 30985, 43379, 61970, 86758, 123940, 173516, 216895, 433790, 867580, 1109263, 2218526, 4437052, 5546315, 7764841, 11092630, 15529682, 22185260, 31059364, 38824205, 77648410, 155296820]

約数ペア:

[(1, 155296820), (2, 77648410), (4, 38824205), (5, 31059364), (7, 22185260), (10, 15529682), (14, 11092630), (20, 7764841), (28, 5546315), (35, 4437052), (70, 2218526), (140, 1109263), (179, 867580), (358, 433790), (716, 216895), (895, 173516), (1253, 123940), (1790, 86758), (2506, 61970), (3580, 43379), (5012, 30985), (6197, 25060), (6265, 24788), (12394, 12530)]