788689840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1321}}^1$

素因数の和:1790

約数の個数: 80

約数和(自身を含む): 1947464640

約数和(自身を除く): 1158774800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 439, 680, 878, 1321, 1360, 1756, 2195, 2642, 3512, 4390, 5284, 6605, 7024, 7463, 8780, 10568, 13210, 14926, 17560, 21136, 22457, 26420, 29852, 35120, 37315, 44914, 52840, 59704, 74630, 89828, 105680, 112285, 119408, 149260, 179656, 224570, 298520, 359312, 449140, 579919, 597040, 898280, 1159838, 1796560, 2319676, 2899595, 4639352, 5799190, 9278704, 9858623, 11598380, 19717246, 23196760, 39434492, 46393520, 49293115, 78868984, 98586230, 157737968, 197172460, 394344920, 788689840]

約数ペア:

[(1, 788689840), (2, 394344920), (4, 197172460), (5, 157737968), (8, 98586230), (10, 78868984), (16, 49293115), (17, 46393520), (20, 39434492), (34, 23196760), (40, 19717246), (68, 11598380), (80, 9858623), (85, 9278704), (136, 5799190), (170, 4639352), (272, 2899595), (340, 2319676), (439, 1796560), (680, 1159838), (878, 898280), (1321, 597040), (1360, 579919), (1756, 449140), (2195, 359312), (2642, 298520), (3512, 224570), (4390, 179656), (5284, 149260), (6605, 119408), (7024, 112285), (7463, 105680), (8780, 89828), (10568, 74630), (13210, 59704), (14926, 52840), (17560, 44914), (21136, 37315), (22457, 35120), (26420, 29852)]