920868580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1165

約数の個数: 96

約数和(自身を含む): 2134605312

約数和(自身を除く): 1213736732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 71, 74, 85, 142, 148, 170, 185, 284, 340, 355, 370, 629, 710, 740, 1031, 1207, 1258, 1420, 2062, 2414, 2516, 2627, 3145, 4124, 4828, 5155, 5254, 6035, 6290, 10310, 10508, 12070, 12580, 13135, 17527, 20620, 24140, 26270, 35054, 38147, 44659, 52540, 70108, 73201, 76294, 87635, 89318, 146402, 152588, 175270, 178636, 190735, 223295, 292804, 350540, 366005, 381470, 446590, 648499, 732010, 762940, 893180, 1244417, 1296998, 1464020, 2488834, 2593996, 2708437, 3242495, 4977668, 5416874, 6222085, 6484990, 10833748, 12444170, 12969980, 13542185, 24888340, 27084370, 46043429, 54168740, 92086858, 184173716, 230217145, 460434290, 920868580]

約数ペア:

[(1, 920868580), (2, 460434290), (4, 230217145), (5, 184173716), (10, 92086858), (17, 54168740), (20, 46043429), (34, 27084370), (37, 24888340), (68, 13542185), (71, 12969980), (74, 12444170), (85, 10833748), (142, 6484990), (148, 6222085), (170, 5416874), (185, 4977668), (284, 3242495), (340, 2708437), (355, 2593996), (370, 2488834), (629, 1464020), (710, 1296998), (740, 1244417), (1031, 893180), (1207, 762940), (1258, 732010), (1420, 648499), (2062, 446590), (2414, 381470), (2516, 366005), (2627, 350540), (3145, 292804), (4124, 223295), (4828, 190735), (5155, 178636), (5254, 175270), (6035, 152588), (6290, 146402), (10310, 89318), (10508, 87635), (12070, 76294), (12580, 73201), (13135, 70108), (17527, 52540), (20620, 44659), (24140, 38147), (26270, 35054)]