251013620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{87767}}^1$

素因数の和:87800

約数の個数: 48

約数和(自身を含む): 619291008

約数和(自身を除く): 368277388

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 87767, 175534, 351068, 438835, 877670, 965437, 1140971, 1755340, 1930874, 2281942, 3861748, 4563884, 4827185, 5704855, 9654370, 11409710, 12550681, 19308740, 22819420, 25101362, 50202724, 62753405, 125506810, 251013620]

約数ペア:

[(1, 251013620), (2, 125506810), (4, 62753405), (5, 50202724), (10, 25101362), (11, 22819420), (13, 19308740), (20, 12550681), (22, 11409710), (26, 9654370), (44, 5704855), (52, 4827185), (55, 4563884), (65, 3861748), (110, 2281942), (130, 1930874), (143, 1755340), (220, 1140971), (260, 965437), (286, 877670), (572, 438835), (715, 351068), (1430, 175534), (2860, 87767)]