128524060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 315720720

約数和(自身を除く): 187196660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 313, 419, 490, 626, 838, 980, 1252, 1565, 1676, 2095, 2191, 2933, 3130, 4190, 4382, 5866, 6260, 8380, 8764, 10955, 11732, 14665, 15337, 20531, 21910, 29330, 30674, 41062, 43820, 58660, 61348, 76685, 82124, 102655, 131147, 153370, 205310, 262294, 306740, 410620, 524588, 655735, 918029, 1311470, 1836058, 2622940, 3672116, 4590145, 6426203, 9180290, 12852406, 18360580, 25704812, 32131015, 64262030, 128524060]

約数ペア:

[(1, 128524060), (2, 64262030), (4, 32131015), (5, 25704812), (7, 18360580), (10, 12852406), (14, 9180290), (20, 6426203), (28, 4590145), (35, 3672116), (49, 2622940), (70, 1836058), (98, 1311470), (140, 918029), (196, 655735), (245, 524588), (313, 410620), (419, 306740), (490, 262294), (626, 205310), (838, 153370), (980, 131147), (1252, 102655), (1565, 82124), (1676, 76685), (2095, 61348), (2191, 58660), (2933, 43820), (3130, 41062), (4190, 30674), (4382, 29330), (5866, 21910), (6260, 20531), (8380, 15337), (8764, 14665), (10955, 11732)]