478996960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{547}}^1$

素因数の和:996

約数の個数: 96

約数和(自身を含む): 1223806752

約数和(自身を除く): 744809792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 421, 520, 547, 842, 1040, 1094, 1684, 2080, 2105, 2188, 2735, 3368, 4210, 4376, 5470, 5473, 6736, 7111, 8420, 8752, 10940, 10946, 13472, 14222, 16840, 17504, 21880, 21892, 27365, 28444, 33680, 35555, 43760, 43784, 54730, 56888, 67360, 71110, 87520, 87568, 109460, 113776, 142220, 175136, 218920, 227552, 230287, 284440, 437840, 460574, 568880, 875680, 921148, 1137760, 1151435, 1842296, 2302870, 2993731, 3684592, 4605740, 5987462, 7369184, 9211480, 11974924, 14968655, 18422960, 23949848, 29937310, 36845920, 47899696, 59874620, 95799392, 119749240, 239498480, 478996960]

約数ペア:

[(1, 478996960), (2, 239498480), (4, 119749240), (5, 95799392), (8, 59874620), (10, 47899696), (13, 36845920), (16, 29937310), (20, 23949848), (26, 18422960), (32, 14968655), (40, 11974924), (52, 9211480), (65, 7369184), (80, 5987462), (104, 4605740), (130, 3684592), (160, 2993731), (208, 2302870), (260, 1842296), (416, 1151435), (421, 1137760), (520, 921148), (547, 875680), (842, 568880), (1040, 460574), (1094, 437840), (1684, 284440), (2080, 230287), (2105, 227552), (2188, 218920), (2735, 175136), (3368, 142220), (4210, 113776), (4376, 109460), (5470, 87568), (5473, 87520), (6736, 71110), (7111, 67360), (8420, 56888), (8752, 54730), (10940, 43784), (10946, 43760), (13472, 35555), (14222, 33680), (16840, 28444), (17504, 27365), (21880, 21892)]