156777460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{159977}}^1$

素因数の和:160000

約数の個数: 36

約数和(自身を含む): 382987332

約数和(自身を除く): 226209872

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 159977, 319954, 639908, 799885, 1119839, 1599770, 2239678, 3199540, 4479356, 5599195, 7838873, 11198390, 15677746, 22396780, 31355492, 39194365, 78388730, 156777460]

約数ペア:

[(1, 156777460), (2, 78388730), (4, 39194365), (5, 31355492), (7, 22396780), (10, 15677746), (14, 11198390), (20, 7838873), (28, 5599195), (35, 4479356), (49, 3199540), (70, 2239678), (98, 1599770), (140, 1119839), (196, 799885), (245, 639908), (490, 319954), (980, 159977)]