155970220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7477}}^1$

素因数の和:7642

約数の個数: 48

約数和(自身を含む): 376891200

約数和(自身を除く): 220920980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 7477, 10430, 14954, 20860, 29908, 37385, 52339, 74770, 104678, 149540, 209356, 261695, 523390, 1046780, 1114073, 2228146, 4456292, 5570365, 7798511, 11140730, 15597022, 22281460, 31194044, 38992555, 77985110, 155970220]

約数ペア:

[(1, 155970220), (2, 77985110), (4, 38992555), (5, 31194044), (7, 22281460), (10, 15597022), (14, 11140730), (20, 7798511), (28, 5570365), (35, 4456292), (70, 2228146), (140, 1114073), (149, 1046780), (298, 523390), (596, 261695), (745, 209356), (1043, 149540), (1490, 104678), (2086, 74770), (2980, 52339), (4172, 37385), (5215, 29908), (7477, 20860), (10430, 14954)]