634134650

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1139

約数の個数: 48

約数和(自身を含む): 1204978680

約数和(自身を除く): 570844030

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 257, 305, 514, 610, 809, 1285, 1525, 1618, 2570, 3050, 4045, 6425, 8090, 12850, 15677, 20225, 31354, 40450, 49349, 78385, 98698, 156770, 207913, 246745, 391925, 415826, 493490, 783850, 1039565, 1233725, 2079130, 2467450, 5197825, 10395650, 12682693, 25365386, 63413465, 126826930, 317067325, 634134650]

約数ペア:

[(1, 634134650), (2, 317067325), (5, 126826930), (10, 63413465), (25, 25365386), (50, 12682693), (61, 10395650), (122, 5197825), (257, 2467450), (305, 2079130), (514, 1233725), (610, 1039565), (809, 783850), (1285, 493490), (1525, 415826), (1618, 391925), (2570, 246745), (3050, 207913), (4045, 156770), (6425, 98698), (8090, 78385), (12850, 49349), (15677, 40450), (20225, 31354)]