400437996

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 1162143360

約数和(自身を除く): 761705364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 73, 76, 84, 98, 114, 133, 146, 147, 196, 219, 228, 266, 292, 294, 399, 438, 491, 511, 532, 588, 798, 876, 931, 982, 1022, 1387, 1473, 1533, 1596, 1862, 1964, 2044, 2774, 2793, 2946, 3066, 3437, 3577, 3724, 4161, 5548, 5586, 5892, 6132, 6874, 7154, 8322, 9329, 9709, 10311, 10731, 11172, 13748, 14308, 16644, 18658, 19418, 20622, 21462, 24059, 27987, 29127, 35843, 37316, 38836, 41244, 42924, 48118, 55974, 58254, 65303, 67963, 71686, 72177, 96236, 107529, 111948, 116508, 130606, 135926, 143372, 144354, 195909, 203889, 215058, 250901, 261212, 271852, 288708, 391818, 407778, 430116, 457121, 501802, 681017, 752703, 783636, 815556, 914242, 1003604, 1362034, 1371363, 1505406, 1756307, 1828484, 2043051, 2724068, 2742726, 3010812, 3512614, 4086102, 4767119, 5268921, 5485452, 7025228, 8172204, 9534238, 10537842, 14301357, 19068476, 21075684, 28602714, 33369833, 57205428, 66739666, 100109499, 133479332, 200218998, 400437996]

約数ペア:

[(1, 400437996), (2, 200218998), (3, 133479332), (4, 100109499), (6, 66739666), (7, 57205428), (12, 33369833), (14, 28602714), (19, 21075684), (21, 19068476), (28, 14301357), (38, 10537842), (42, 9534238), (49, 8172204), (57, 7025228), (73, 5485452), (76, 5268921), (84, 4767119), (98, 4086102), (114, 3512614), (133, 3010812), (146, 2742726), (147, 2724068), (196, 2043051), (219, 1828484), (228, 1756307), (266, 1505406), (292, 1371363), (294, 1362034), (399, 1003604), (438, 914242), (491, 815556), (511, 783636), (532, 752703), (588, 681017), (798, 501802), (876, 457121), (931, 430116), (982, 407778), (1022, 391818), (1387, 288708), (1473, 271852), (1533, 261212), (1596, 250901), (1862, 215058), (1964, 203889), (2044, 195909), (2774, 144354), (2793, 143372), (2946, 135926), (3066, 130606), (3437, 116508), (3577, 111948), (3724, 107529), (4161, 96236), (5548, 72177), (5586, 71686), (5892, 67963), (6132, 65303), (6874, 58254), (7154, 55974), (8322, 48118), (9329, 42924), (9709, 41244), (10311, 38836), (10731, 37316), (11172, 35843), (13748, 29127), (14308, 27987), (16644, 24059), (18658, 21462), (19418, 20622)]