71923180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 178113600

約数和(自身を除く): 106190420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 929, 980, 1106, 1580, 1858, 2212, 2765, 3716, 3871, 4645, 5530, 6503, 7742, 9290, 11060, 13006, 15484, 18580, 19355, 26012, 32515, 38710, 45521, 65030, 73391, 77420, 91042, 130060, 146782, 182084, 227605, 293564, 366955, 455210, 513737, 733910, 910420, 1027474, 1467820, 2054948, 2568685, 3596159, 5137370, 7192318, 10274740, 14384636, 17980795, 35961590, 71923180]

約数ペア:

[(1, 71923180), (2, 35961590), (4, 17980795), (5, 14384636), (7, 10274740), (10, 7192318), (14, 5137370), (20, 3596159), (28, 2568685), (35, 2054948), (49, 1467820), (70, 1027474), (79, 910420), (98, 733910), (140, 513737), (158, 455210), (196, 366955), (245, 293564), (316, 227605), (395, 182084), (490, 146782), (553, 130060), (790, 91042), (929, 77420), (980, 73391), (1106, 65030), (1580, 45521), (1858, 38710), (2212, 32515), (2765, 26012), (3716, 19355), (3871, 18580), (4645, 15484), (5530, 13006), (6503, 11060), (7742, 9290)]