898980145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 1369944576

約数和(自身を除く): 470964431

約数列:

[1, 5, 7, 17, 35, 41, 43, 85, 119, 205, 215, 287, 301, 595, 697, 731, 857, 1435, 1505, 1763, 3485, 3655, 4285, 4879, 5117, 5999, 8815, 12341, 14569, 24395, 25585, 29971, 29995, 35137, 36851, 61705, 72845, 101983, 149855, 175685, 184255, 209797, 245959, 257957, 509915, 597329, 626467, 1048985, 1229795, 1289785, 1510891, 2986645, 3132335, 4181303, 4385269, 7554455, 10576237, 20906515, 21926345, 25685147, 52881185, 128425735, 179796029, 898980145]

約数ペア:

[(1, 898980145), (5, 179796029), (7, 128425735), (17, 52881185), (35, 25685147), (41, 21926345), (43, 20906515), (85, 10576237), (119, 7554455), (205, 4385269), (215, 4181303), (287, 3132335), (301, 2986645), (595, 1510891), (697, 1289785), (731, 1229795), (857, 1048985), (1435, 626467), (1505, 597329), (1763, 509915), (3485, 257957), (3655, 245959), (4285, 209797), (4879, 184255), (5117, 175685), (5999, 149855), (8815, 101983), (12341, 72845), (14569, 61705), (24395, 36851), (25585, 35137), (29971, 29995)]