400437240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1627}}^1$

素因数の和:1941

約数の個数: 128

約数和(自身を含む): 1378460160

約数和(自身を除く): 978022920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 293, 420, 586, 840, 879, 1172, 1465, 1627, 1758, 2051, 2344, 2930, 3254, 3516, 4102, 4395, 4881, 5860, 6153, 6508, 7032, 8135, 8204, 8790, 9762, 10255, 11389, 11720, 12306, 13016, 16270, 16408, 17580, 19524, 20510, 22778, 24405, 24612, 30765, 32540, 34167, 35160, 39048, 41020, 45556, 48810, 49224, 56945, 61530, 65080, 68334, 82040, 91112, 97620, 113890, 123060, 136668, 170835, 195240, 227780, 246120, 273336, 341670, 455560, 476711, 683340, 953422, 1366680, 1430133, 1906844, 2383555, 2860266, 3336977, 3813688, 4767110, 5720532, 6673954, 7150665, 9534220, 10010931, 11441064, 13347908, 14301330, 16684885, 19068440, 20021862, 26695816, 28602660, 33369770, 40043724, 50054655, 57205320, 66739540, 80087448, 100109310, 133479080, 200218620, 400437240]

約数ペア:

[(1, 400437240), (2, 200218620), (3, 133479080), (4, 100109310), (5, 80087448), (6, 66739540), (7, 57205320), (8, 50054655), (10, 40043724), (12, 33369770), (14, 28602660), (15, 26695816), (20, 20021862), (21, 19068440), (24, 16684885), (28, 14301330), (30, 13347908), (35, 11441064), (40, 10010931), (42, 9534220), (56, 7150665), (60, 6673954), (70, 5720532), (84, 4767110), (105, 3813688), (120, 3336977), (140, 2860266), (168, 2383555), (210, 1906844), (280, 1430133), (293, 1366680), (420, 953422), (586, 683340), (840, 476711), (879, 455560), (1172, 341670), (1465, 273336), (1627, 246120), (1758, 227780), (2051, 195240), (2344, 170835), (2930, 136668), (3254, 123060), (3516, 113890), (4102, 97620), (4395, 91112), (4881, 82040), (5860, 68334), (6153, 65080), (6508, 61530), (7032, 56945), (8135, 49224), (8204, 48810), (8790, 45556), (9762, 41020), (10255, 39048), (11389, 35160), (11720, 34167), (12306, 32540), (13016, 30765), (16270, 24612), (16408, 24405), (17580, 22778), (19524, 20510)]