1999262175

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 3642624000

約数和(自身を除く): 1643361825

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 101, 145, 285, 303, 435, 475, 479, 505, 551, 725, 1425, 1437, 1515, 1653, 1919, 2175, 2395, 2525, 2755, 2929, 5757, 7185, 7575, 8265, 8787, 9101, 9595, 11975, 13775, 13891, 14645, 27303, 28785, 35925, 41325, 41673, 43935, 45505, 47975, 48379, 55651, 69455, 73225, 136515, 143925, 145137, 166953, 208365, 219675, 227525, 241895, 263929, 278255, 347275, 682575, 725685, 791787, 834765, 919201, 1041825, 1209475, 1319645, 1391275, 1402991, 2757603, 3628425, 3958935, 4173825, 4208973, 4596005, 6598225, 7014955, 13788015, 19794675, 21044865, 22980025, 26656829, 35074775, 68940075, 79970487, 105224325, 133284145, 399852435, 666420725, 1999262175]

約数ペア:

[(1, 1999262175), (3, 666420725), (5, 399852435), (15, 133284145), (19, 105224325), (25, 79970487), (29, 68940075), (57, 35074775), (75, 26656829), (87, 22980025), (95, 21044865), (101, 19794675), (145, 13788015), (285, 7014955), (303, 6598225), (435, 4596005), (475, 4208973), (479, 4173825), (505, 3958935), (551, 3628425), (725, 2757603), (1425, 1402991), (1437, 1391275), (1515, 1319645), (1653, 1209475), (1919, 1041825), (2175, 919201), (2395, 834765), (2525, 791787), (2755, 725685), (2929, 682575), (5757, 347275), (7185, 278255), (7575, 263929), (8265, 241895), (8787, 227525), (9101, 219675), (9595, 208365), (11975, 166953), (13775, 145137), (13891, 143925), (14645, 136515), (27303, 73225), (28785, 69455), (35925, 55651), (41325, 48379), (41673, 47975), (43935, 45505)]