260348540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1527

約数の個数: 72

約数和(自身を含む): 599932032

約数和(自身を除く): 339583492

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 289, 310, 340, 527, 578, 620, 1054, 1156, 1445, 1453, 2108, 2635, 2890, 2906, 5270, 5780, 5812, 7265, 8959, 10540, 14530, 17918, 24701, 29060, 35836, 44795, 45043, 49402, 89590, 90086, 98804, 123505, 179180, 180172, 225215, 247010, 419917, 450430, 494020, 765731, 839834, 900860, 1531462, 1679668, 2099585, 3062924, 3828655, 4199170, 7657310, 8398340, 13017427, 15314620, 26034854, 52069708, 65087135, 130174270, 260348540]

約数ペア:

[(1, 260348540), (2, 130174270), (4, 65087135), (5, 52069708), (10, 26034854), (17, 15314620), (20, 13017427), (31, 8398340), (34, 7657310), (62, 4199170), (68, 3828655), (85, 3062924), (124, 2099585), (155, 1679668), (170, 1531462), (289, 900860), (310, 839834), (340, 765731), (527, 494020), (578, 450430), (620, 419917), (1054, 247010), (1156, 225215), (1445, 180172), (1453, 179180), (2108, 123505), (2635, 98804), (2890, 90086), (2906, 89590), (5270, 49402), (5780, 45043), (5812, 44795), (7265, 35836), (8959, 29060), (10540, 24701), (14530, 17918)]