42491820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 140767200

約数和(自身を除く): 98275380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 97, 98, 105, 140, 147, 149, 194, 196, 210, 245, 291, 294, 298, 388, 420, 447, 485, 490, 582, 588, 596, 679, 735, 745, 894, 970, 980, 1043, 1164, 1358, 1455, 1470, 1490, 1788, 1940, 2037, 2086, 2235, 2716, 2910, 2940, 2980, 3129, 3395, 4074, 4172, 4470, 4753, 5215, 5820, 6258, 6790, 7301, 8148, 8940, 9506, 10185, 10430, 12516, 13580, 14259, 14453, 14602, 15645, 19012, 20370, 20860, 21903, 23765, 28518, 28906, 29204, 31290, 36505, 40740, 43359, 43806, 47530, 57036, 57812, 62580, 71295, 72265, 73010, 86718, 87612, 95060, 101171, 109515, 142590, 144530, 146020, 173436, 202342, 216795, 219030, 285180, 289060, 303513, 404684, 433590, 438060, 505855, 607026, 708197, 867180, 1011710, 1214052, 1416394, 1517565, 2023420, 2124591, 2832788, 3035130, 3540985, 4249182, 6070260, 7081970, 8498364, 10622955, 14163940, 21245910, 42491820]

約数ペア:

[(1, 42491820), (2, 21245910), (3, 14163940), (4, 10622955), (5, 8498364), (6, 7081970), (7, 6070260), (10, 4249182), (12, 3540985), (14, 3035130), (15, 2832788), (20, 2124591), (21, 2023420), (28, 1517565), (30, 1416394), (35, 1214052), (42, 1011710), (49, 867180), (60, 708197), (70, 607026), (84, 505855), (97, 438060), (98, 433590), (105, 404684), (140, 303513), (147, 289060), (149, 285180), (194, 219030), (196, 216795), (210, 202342), (245, 173436), (291, 146020), (294, 144530), (298, 142590), (388, 109515), (420, 101171), (447, 95060), (485, 87612), (490, 86718), (582, 73010), (588, 72265), (596, 71295), (679, 62580), (735, 57812), (745, 57036), (894, 47530), (970, 43806), (980, 43359), (1043, 40740), (1164, 36505), (1358, 31290), (1455, 29204), (1470, 28906), (1490, 28518), (1788, 23765), (1940, 21903), (2037, 20860), (2086, 20370), (2235, 19012), (2716, 15645), (2910, 14602), (2940, 14453), (2980, 14259), (3129, 13580), (3395, 12516), (4074, 10430), (4172, 10185), (4470, 9506), (4753, 8940), (5215, 8148), (5820, 7301), (6258, 6790)]