157219600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 90

約数和(自身を含む): 391251930

約数和(自身を除く): 234032330

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 409, 496, 620, 775, 818, 961, 1240, 1550, 1636, 1922, 2045, 2480, 3100, 3272, 3844, 4090, 4805, 6200, 6544, 7688, 8180, 9610, 10225, 12400, 12679, 15376, 16360, 19220, 20450, 24025, 25358, 32720, 38440, 40900, 48050, 50716, 63395, 76880, 81800, 96100, 101432, 126790, 163600, 192200, 202864, 253580, 316975, 384400, 393049, 507160, 633950, 786098, 1014320, 1267900, 1572196, 1965245, 2535800, 3144392, 3930490, 5071600, 6288784, 7860980, 9826225, 15721960, 19652450, 31443920, 39304900, 78609800, 157219600]

約数ペア:

[(1, 157219600), (2, 78609800), (4, 39304900), (5, 31443920), (8, 19652450), (10, 15721960), (16, 9826225), (20, 7860980), (25, 6288784), (31, 5071600), (40, 3930490), (50, 3144392), (62, 2535800), (80, 1965245), (100, 1572196), (124, 1267900), (155, 1014320), (200, 786098), (248, 633950), (310, 507160), (400, 393049), (409, 384400), (496, 316975), (620, 253580), (775, 202864), (818, 192200), (961, 163600), (1240, 126790), (1550, 101432), (1636, 96100), (1922, 81800), (2045, 76880), (2480, 63395), (3100, 50716), (3272, 48050), (3844, 40900), (4090, 38440), (4805, 32720), (6200, 25358), (6544, 24025), (7688, 20450), (8180, 19220), (9610, 16360), (10225, 15376), (12400, 12679)]