142841240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6481}}^1$

素因数の和:6540

約数の個数: 64

約数和(自身を含む): 350028000

約数和(自身を除く): 207186760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 2204, 2755, 4408, 5510, 6481, 11020, 12962, 22040, 25924, 32405, 51848, 64810, 123139, 129620, 187949, 246278, 259240, 375898, 492556, 615695, 751796, 939745, 985112, 1231390, 1503592, 1879490, 2462780, 3571031, 3758980, 4925560, 7142062, 7517960, 14284124, 17855155, 28568248, 35710310, 71420620, 142841240]

約数ペア:

[(1, 142841240), (2, 71420620), (4, 35710310), (5, 28568248), (8, 17855155), (10, 14284124), (19, 7517960), (20, 7142062), (29, 4925560), (38, 3758980), (40, 3571031), (58, 2462780), (76, 1879490), (95, 1503592), (116, 1231390), (145, 985112), (152, 939745), (190, 751796), (232, 615695), (290, 492556), (380, 375898), (551, 259240), (580, 246278), (760, 187949), (1102, 129620), (1160, 123139), (2204, 64810), (2755, 51848), (4408, 32405), (5510, 25924), (6481, 22040), (11020, 12962)]