2010423940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{21149}}^1$

素因数の和:21269

約数の個数: 72

約数和(自身を含む): 4962043800

約数和(自身を除く): 2951619860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 970, 980, 1358, 1940, 2716, 3395, 4753, 6790, 9506, 13580, 19012, 21149, 23765, 42298, 47530, 84596, 95060, 105745, 148043, 211490, 296086, 422980, 592172, 740215, 1036301, 1480430, 2051453, 2072602, 2960860, 4102906, 4145204, 5181505, 8205812, 10257265, 10363010, 14360171, 20514530, 20726020, 28720342, 41029060, 57440684, 71800855, 100521197, 143601710, 201042394, 287203420, 402084788, 502605985, 1005211970, 2010423940]

約数ペア:

[(1, 2010423940), (2, 1005211970), (4, 502605985), (5, 402084788), (7, 287203420), (10, 201042394), (14, 143601710), (20, 100521197), (28, 71800855), (35, 57440684), (49, 41029060), (70, 28720342), (97, 20726020), (98, 20514530), (140, 14360171), (194, 10363010), (196, 10257265), (245, 8205812), (388, 5181505), (485, 4145204), (490, 4102906), (679, 2960860), (970, 2072602), (980, 2051453), (1358, 1480430), (1940, 1036301), (2716, 740215), (3395, 592172), (4753, 422980), (6790, 296086), (9506, 211490), (13580, 148043), (19012, 105745), (21149, 95060), (23765, 84596), (42298, 47530)]