691266040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{4549}}^1$

素因数の和:4720

約数の個数: 64

約数和(自身を含む): 1621620000

約数和(自身を除く): 930353960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 131, 145, 232, 262, 290, 524, 580, 655, 1048, 1160, 1310, 2620, 3799, 4549, 5240, 7598, 9098, 15196, 18196, 18995, 22745, 30392, 36392, 37990, 45490, 75980, 90980, 131921, 151960, 181960, 263842, 527684, 595919, 659605, 1055368, 1191838, 1319210, 2383676, 2638420, 2979595, 4767352, 5276840, 5959190, 11918380, 17281651, 23836760, 34563302, 69126604, 86408255, 138253208, 172816510, 345633020, 691266040]

約数ペア:

[(1, 691266040), (2, 345633020), (4, 172816510), (5, 138253208), (8, 86408255), (10, 69126604), (20, 34563302), (29, 23836760), (40, 17281651), (58, 11918380), (116, 5959190), (131, 5276840), (145, 4767352), (232, 2979595), (262, 2638420), (290, 2383676), (524, 1319210), (580, 1191838), (655, 1055368), (1048, 659605), (1160, 595919), (1310, 527684), (2620, 263842), (3799, 181960), (4549, 151960), (5240, 131921), (7598, 90980), (9098, 75980), (15196, 45490), (18196, 37990), (18995, 36392), (22745, 30392)]