1916642480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43481}}^1$

素因数の和:43542

約数の個数: 80

約数和(自身を含む): 4852591200

約数和(自身を除く): 2935948720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1520, 2204, 2320, 2755, 4408, 5510, 8816, 11020, 22040, 43481, 44080, 86962, 173924, 217405, 347848, 434810, 695696, 826139, 869620, 1260949, 1652278, 1739240, 2521898, 3304556, 3478480, 4130695, 5043796, 6304745, 6609112, 8261390, 10087592, 12609490, 13218224, 16522780, 20175184, 23958031, 25218980, 33045560, 47916062, 50437960, 66091120, 95832124, 100875920, 119790155, 191664248, 239580310, 383328496, 479160620, 958321240, 1916642480]

約数ペア:

[(1, 1916642480), (2, 958321240), (4, 479160620), (5, 383328496), (8, 239580310), (10, 191664248), (16, 119790155), (19, 100875920), (20, 95832124), (29, 66091120), (38, 50437960), (40, 47916062), (58, 33045560), (76, 25218980), (80, 23958031), (95, 20175184), (116, 16522780), (145, 13218224), (152, 12609490), (190, 10087592), (232, 8261390), (290, 6609112), (304, 6304745), (380, 5043796), (464, 4130695), (551, 3478480), (580, 3304556), (760, 2521898), (1102, 1739240), (1160, 1652278), (1520, 1260949), (2204, 869620), (2320, 826139), (2755, 695696), (4408, 434810), (5510, 347848), (8816, 217405), (11020, 173924), (22040, 86962), (43481, 44080)]