156721000

素因数分解:

$2^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{2957}}^1$

素因数の和:3031

約数の個数: 64

約数和(自身を含む): 373772880

約数和(自身を除く): 217051880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 200, 212, 250, 265, 424, 500, 530, 1000, 1060, 1325, 2120, 2650, 2957, 5300, 5914, 6625, 10600, 11828, 13250, 14785, 23656, 26500, 29570, 53000, 59140, 73925, 118280, 147850, 156721, 295700, 313442, 369625, 591400, 626884, 739250, 783605, 1253768, 1478500, 1567210, 2957000, 3134420, 3918025, 6268840, 7836050, 15672100, 19590125, 31344200, 39180250, 78360500, 156721000]

約数ペア:

[(1, 156721000), (2, 78360500), (4, 39180250), (5, 31344200), (8, 19590125), (10, 15672100), (20, 7836050), (25, 6268840), (40, 3918025), (50, 3134420), (53, 2957000), (100, 1567210), (106, 1478500), (125, 1253768), (200, 783605), (212, 739250), (250, 626884), (265, 591400), (424, 369625), (500, 313442), (530, 295700), (1000, 156721), (1060, 147850), (1325, 118280), (2120, 73925), (2650, 59140), (2957, 53000), (5300, 29570), (5914, 26500), (6625, 23656), (10600, 14785), (11828, 13250)]