291230060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{7079}}^1$

素因数の和:7127

約数の個数: 72

約数和(自身を含む): 711879840

約数和(自身を除く): 420649780

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1870, 2057, 2420, 3740, 4114, 7079, 8228, 10285, 14158, 20570, 28316, 35395, 41140, 70790, 77869, 120343, 141580, 155738, 240686, 311476, 389345, 481372, 601715, 778690, 856559, 1203430, 1323773, 1557380, 1713118, 2406860, 2647546, 3426236, 4282795, 5295092, 6618865, 8565590, 13237730, 14561503, 17131180, 26475460, 29123006, 58246012, 72807515, 145615030, 291230060]

約数ペア:

[(1, 291230060), (2, 145615030), (4, 72807515), (5, 58246012), (10, 29123006), (11, 26475460), (17, 17131180), (20, 14561503), (22, 13237730), (34, 8565590), (44, 6618865), (55, 5295092), (68, 4282795), (85, 3426236), (110, 2647546), (121, 2406860), (170, 1713118), (187, 1557380), (220, 1323773), (242, 1203430), (340, 856559), (374, 778690), (484, 601715), (605, 481372), (748, 389345), (935, 311476), (1210, 240686), (1870, 155738), (2057, 141580), (2420, 120343), (3740, 77869), (4114, 70790), (7079, 41140), (8228, 35395), (10285, 28316), (14158, 20570)]