649698920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{3461}}^1$

素因数の和:3523

約数の個数: 96

約数和(自身を含む): 1661967720

約数和(自身を除く): 1012268800

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 361, 380, 494, 520, 722, 760, 988, 1235, 1444, 1805, 1976, 2470, 2888, 3461, 3610, 4693, 4940, 6922, 7220, 9386, 9880, 13844, 14440, 17305, 18772, 23465, 27688, 34610, 37544, 44993, 46930, 65759, 69220, 89986, 93860, 131518, 138440, 179972, 187720, 224965, 263036, 328795, 359944, 449930, 526072, 657590, 854867, 899860, 1249421, 1315180, 1709734, 1799720, 2498842, 2630360, 3419468, 4274335, 4997684, 6247105, 6838936, 8548670, 9995368, 12494210, 16242473, 17097340, 24988420, 32484946, 34194680, 49976840, 64969892, 81212365, 129939784, 162424730, 324849460, 649698920]

約数ペア:

[(1, 649698920), (2, 324849460), (4, 162424730), (5, 129939784), (8, 81212365), (10, 64969892), (13, 49976840), (19, 34194680), (20, 32484946), (26, 24988420), (38, 17097340), (40, 16242473), (52, 12494210), (65, 9995368), (76, 8548670), (95, 6838936), (104, 6247105), (130, 4997684), (152, 4274335), (190, 3419468), (247, 2630360), (260, 2498842), (361, 1799720), (380, 1709734), (494, 1315180), (520, 1249421), (722, 899860), (760, 854867), (988, 657590), (1235, 526072), (1444, 449930), (1805, 359944), (1976, 328795), (2470, 263036), (2888, 224965), (3461, 187720), (3610, 179972), (4693, 138440), (4940, 131518), (6922, 93860), (7220, 89986), (9386, 69220), (9880, 65759), (13844, 46930), (14440, 44993), (17305, 37544), (18772, 34610), (23465, 27688)]