2019959475

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 3642624000

約数和(自身を除く): 1622664525

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 87, 115, 145, 149, 271, 345, 435, 447, 575, 667, 725, 745, 813, 1355, 1725, 2001, 2175, 2235, 3335, 3427, 3725, 4065, 4321, 6233, 6775, 7859, 10005, 10281, 11175, 12963, 16675, 17135, 18699, 20325, 21605, 23577, 31165, 39295, 40379, 50025, 51405, 64815, 85675, 93495, 99383, 108025, 117885, 121137, 155825, 180757, 196475, 201895, 257025, 298149, 324075, 467475, 496915, 542271, 589425, 605685, 903785, 928717, 1009475, 1170991, 1490745, 2484575, 2711355, 2786151, 3028425, 3512973, 4518925, 4643585, 5854955, 7453725, 13556775, 13930755, 17564865, 23217925, 26932793, 29274775, 69653775, 80798379, 87824325, 134663965, 403991895, 673319825, 2019959475]

約数ペア:

[(1, 2019959475), (3, 673319825), (5, 403991895), (15, 134663965), (23, 87824325), (25, 80798379), (29, 69653775), (69, 29274775), (75, 26932793), (87, 23217925), (115, 17564865), (145, 13930755), (149, 13556775), (271, 7453725), (345, 5854955), (435, 4643585), (447, 4518925), (575, 3512973), (667, 3028425), (725, 2786151), (745, 2711355), (813, 2484575), (1355, 1490745), (1725, 1170991), (2001, 1009475), (2175, 928717), (2235, 903785), (3335, 605685), (3427, 589425), (3725, 542271), (4065, 496915), (4321, 467475), (6233, 324075), (6775, 298149), (7859, 257025), (10005, 201895), (10281, 196475), (11175, 180757), (12963, 155825), (16675, 121137), (17135, 117885), (18699, 108025), (20325, 99383), (21605, 93495), (23577, 85675), (31165, 64815), (39295, 51405), (40379, 50025)]