251155870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:602

約数の個数: 96

約数和(自身を含む): 565120800

約数和(自身を除く): 313964930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 53, 70, 95, 98, 106, 133, 190, 245, 265, 266, 371, 490, 509, 530, 665, 742, 931, 1007, 1018, 1330, 1855, 1862, 2014, 2545, 2597, 3563, 3710, 4655, 5035, 5090, 5194, 7049, 7126, 9310, 9671, 10070, 12985, 14098, 17815, 19342, 24941, 25970, 26977, 35245, 35630, 48355, 49343, 49882, 53954, 67697, 70490, 96710, 98686, 124705, 134885, 135394, 188839, 246715, 249410, 269770, 338485, 377678, 473879, 493430, 512563, 676970, 944195, 947758, 1025126, 1321873, 1888390, 2369395, 2562815, 2643746, 3587941, 4738790, 5125630, 6609365, 7175882, 13218730, 17939705, 25115587, 35879410, 50231174, 125577935, 251155870]

約数ペア:

[(1, 251155870), (2, 125577935), (5, 50231174), (7, 35879410), (10, 25115587), (14, 17939705), (19, 13218730), (35, 7175882), (38, 6609365), (49, 5125630), (53, 4738790), (70, 3587941), (95, 2643746), (98, 2562815), (106, 2369395), (133, 1888390), (190, 1321873), (245, 1025126), (265, 947758), (266, 944195), (371, 676970), (490, 512563), (509, 493430), (530, 473879), (665, 377678), (742, 338485), (931, 269770), (1007, 249410), (1018, 246715), (1330, 188839), (1855, 135394), (1862, 134885), (2014, 124705), (2545, 98686), (2597, 96710), (3563, 70490), (3710, 67697), (4655, 53954), (5035, 49882), (5090, 49343), (5194, 48355), (7049, 35630), (7126, 35245), (9310, 26977), (9671, 25970), (10070, 24941), (12985, 19342), (14098, 17815)]