74774980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1925

約数の個数: 72

約数和(自身を含む): 187220376

約数和(自身を除く): 112445396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 1861, 2009, 2870, 3722, 4018, 5740, 7444, 8036, 9305, 10045, 13027, 18610, 20090, 26054, 37220, 40180, 52108, 65135, 76301, 91189, 130270, 152602, 182378, 260540, 305204, 364756, 381505, 455945, 534107, 763010, 911890, 1068214, 1526020, 1823780, 2136428, 2670535, 3738749, 5341070, 7477498, 10682140, 14954996, 18693745, 37387490, 74774980]

約数ペア:

[(1, 74774980), (2, 37387490), (4, 18693745), (5, 14954996), (7, 10682140), (10, 7477498), (14, 5341070), (20, 3738749), (28, 2670535), (35, 2136428), (41, 1823780), (49, 1526020), (70, 1068214), (82, 911890), (98, 763010), (140, 534107), (164, 455945), (196, 381505), (205, 364756), (245, 305204), (287, 260540), (410, 182378), (490, 152602), (574, 130270), (820, 91189), (980, 76301), (1148, 65135), (1435, 52108), (1861, 40180), (2009, 37220), (2870, 26054), (3722, 20090), (4018, 18610), (5740, 13027), (7444, 10045), (8036, 9305)]