90576800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 239047200

約数和(自身を除く): 148470400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 59, 76, 80, 95, 100, 101, 118, 152, 160, 190, 200, 202, 236, 295, 304, 380, 400, 404, 472, 475, 505, 590, 608, 760, 800, 808, 944, 950, 1010, 1121, 1180, 1475, 1520, 1616, 1888, 1900, 1919, 2020, 2242, 2360, 2525, 2950, 3040, 3232, 3800, 3838, 4040, 4484, 4720, 5050, 5605, 5900, 5959, 7600, 7676, 8080, 8968, 9440, 9595, 10100, 11210, 11800, 11918, 15200, 15352, 16160, 17936, 19190, 20200, 22420, 23600, 23836, 28025, 29795, 30704, 35872, 38380, 40400, 44840, 47200, 47672, 47975, 56050, 59590, 61408, 76760, 80800, 89680, 95344, 95950, 112100, 113221, 119180, 148975, 153520, 179360, 190688, 191900, 224200, 226442, 238360, 297950, 307040, 383800, 448400, 452884, 476720, 566105, 595900, 767600, 896800, 905768, 953440, 1132210, 1191800, 1535200, 1811536, 2264420, 2383600, 2830525, 3623072, 4528840, 4767200, 5661050, 9057680, 11322100, 18115360, 22644200, 45288400, 90576800]

約数ペア:

[(1, 90576800), (2, 45288400), (4, 22644200), (5, 18115360), (8, 11322100), (10, 9057680), (16, 5661050), (19, 4767200), (20, 4528840), (25, 3623072), (32, 2830525), (38, 2383600), (40, 2264420), (50, 1811536), (59, 1535200), (76, 1191800), (80, 1132210), (95, 953440), (100, 905768), (101, 896800), (118, 767600), (152, 595900), (160, 566105), (190, 476720), (200, 452884), (202, 448400), (236, 383800), (295, 307040), (304, 297950), (380, 238360), (400, 226442), (404, 224200), (472, 191900), (475, 190688), (505, 179360), (590, 153520), (608, 148975), (760, 119180), (800, 113221), (808, 112100), (944, 95950), (950, 95344), (1010, 89680), (1121, 80800), (1180, 76760), (1475, 61408), (1520, 59590), (1616, 56050), (1888, 47975), (1900, 47672), (1919, 47200), (2020, 44840), (2242, 40400), (2360, 38380), (2525, 35872), (2950, 30704), (3040, 29795), (3232, 28025), (3800, 23836), (3838, 23600), (4040, 22420), (4484, 20200), (4720, 19190), (5050, 17936), (5605, 16160), (5900, 15352), (5959, 15200), (7600, 11918), (7676, 11800), (8080, 11210), (8968, 10100), (9440, 9595)]