31471600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 82338480

約数和(自身を除く): 50866880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 41, 50, 76, 80, 82, 95, 100, 101, 152, 164, 190, 200, 202, 205, 304, 328, 380, 400, 404, 410, 475, 505, 656, 760, 779, 808, 820, 950, 1010, 1025, 1520, 1558, 1616, 1640, 1900, 1919, 2020, 2050, 2525, 3116, 3280, 3800, 3838, 3895, 4040, 4100, 4141, 5050, 6232, 7600, 7676, 7790, 8080, 8200, 8282, 9595, 10100, 12464, 15352, 15580, 16400, 16564, 19190, 19475, 20200, 20705, 30704, 31160, 33128, 38380, 38950, 40400, 41410, 47975, 62320, 66256, 76760, 77900, 78679, 82820, 95950, 103525, 153520, 155800, 157358, 165640, 191900, 207050, 311600, 314716, 331280, 383800, 393395, 414100, 629432, 767600, 786790, 828200, 1258864, 1573580, 1656400, 1966975, 3147160, 3933950, 6294320, 7867900, 15735800, 31471600]

約数ペア:

[(1, 31471600), (2, 15735800), (4, 7867900), (5, 6294320), (8, 3933950), (10, 3147160), (16, 1966975), (19, 1656400), (20, 1573580), (25, 1258864), (38, 828200), (40, 786790), (41, 767600), (50, 629432), (76, 414100), (80, 393395), (82, 383800), (95, 331280), (100, 314716), (101, 311600), (152, 207050), (164, 191900), (190, 165640), (200, 157358), (202, 155800), (205, 153520), (304, 103525), (328, 95950), (380, 82820), (400, 78679), (404, 77900), (410, 76760), (475, 66256), (505, 62320), (656, 47975), (760, 41410), (779, 40400), (808, 38950), (820, 38380), (950, 33128), (1010, 31160), (1025, 30704), (1520, 20705), (1558, 20200), (1616, 19475), (1640, 19190), (1900, 16564), (1919, 16400), (2020, 15580), (2050, 15352), (2525, 12464), (3116, 10100), (3280, 9595), (3800, 8282), (3838, 8200), (3895, 8080), (4040, 7790), (4100, 7676), (4141, 7600), (5050, 6232)]