917100020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 2092511232

約数和(自身を除く): 1175411212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 127, 134, 170, 254, 268, 317, 335, 340, 508, 634, 635, 670, 1139, 1268, 1270, 1340, 1585, 2159, 2278, 2540, 3170, 4318, 4556, 5389, 5695, 6340, 8509, 8636, 10778, 10795, 11390, 17018, 21239, 21556, 21590, 22780, 26945, 34036, 40259, 42478, 42545, 43180, 53890, 80518, 84956, 85090, 106195, 107780, 144653, 161036, 170180, 201295, 212390, 289306, 361063, 402590, 424780, 578612, 684403, 722126, 723265, 805180, 1368806, 1444252, 1446530, 1805315, 2697353, 2737612, 2893060, 3422015, 3610630, 5394706, 6844030, 7221260, 10789412, 13486765, 13688060, 26973530, 45855001, 53947060, 91710002, 183420004, 229275005, 458550010, 917100020]

約数ペア:

[(1, 917100020), (2, 458550010), (4, 229275005), (5, 183420004), (10, 91710002), (17, 53947060), (20, 45855001), (34, 26973530), (67, 13688060), (68, 13486765), (85, 10789412), (127, 7221260), (134, 6844030), (170, 5394706), (254, 3610630), (268, 3422015), (317, 2893060), (335, 2737612), (340, 2697353), (508, 1805315), (634, 1446530), (635, 1444252), (670, 1368806), (1139, 805180), (1268, 723265), (1270, 722126), (1340, 684403), (1585, 578612), (2159, 424780), (2278, 402590), (2540, 361063), (3170, 289306), (4318, 212390), (4556, 201295), (5389, 170180), (5695, 161036), (6340, 144653), (8509, 107780), (8636, 106195), (10778, 85090), (10795, 84956), (11390, 80518), (17018, 53890), (21239, 43180), (21556, 42545), (21590, 42478), (22780, 40259), (26945, 34036)]