157228820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{8573}}^1$

素因数の和:8720

約数の個数: 48

約数和(自身を含む): 380274048

約数和(自身を除く): 223045228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 8573, 9170, 17146, 18340, 34292, 42865, 60011, 85730, 120022, 171460, 240044, 300055, 600110, 1123063, 1200220, 2246126, 4492252, 5615315, 7861441, 11230630, 15722882, 22461260, 31445764, 39307205, 78614410, 157228820]

約数ペア:

[(1, 157228820), (2, 78614410), (4, 39307205), (5, 31445764), (7, 22461260), (10, 15722882), (14, 11230630), (20, 7861441), (28, 5615315), (35, 4492252), (70, 2246126), (131, 1200220), (140, 1123063), (262, 600110), (524, 300055), (655, 240044), (917, 171460), (1310, 120022), (1834, 85730), (2620, 60011), (3668, 42865), (4585, 34292), (8573, 18340), (9170, 17146)]