688640200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1019}}^1$

素因数の和:1175

約数の個数: 96

約数和(自身を含む): 1669536000

約数和(自身を除く): 980895800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 109, 124, 155, 200, 218, 248, 310, 436, 545, 620, 775, 872, 1019, 1090, 1240, 1550, 2038, 2180, 2725, 3100, 3379, 4076, 4360, 5095, 5450, 6200, 6758, 8152, 10190, 10900, 13516, 16895, 20380, 21800, 25475, 27032, 31589, 33790, 40760, 50950, 63178, 67580, 84475, 101900, 111071, 126356, 135160, 157945, 168950, 203800, 222142, 252712, 315890, 337900, 444284, 555355, 631780, 675800, 789725, 888568, 1110710, 1263560, 1579450, 2221420, 2776775, 3158900, 3443201, 4442840, 5553550, 6317800, 6886402, 11107100, 13772804, 17216005, 22214200, 27545608, 34432010, 68864020, 86080025, 137728040, 172160050, 344320100, 688640200]

約数ペア:

[(1, 688640200), (2, 344320100), (4, 172160050), (5, 137728040), (8, 86080025), (10, 68864020), (20, 34432010), (25, 27545608), (31, 22214200), (40, 17216005), (50, 13772804), (62, 11107100), (100, 6886402), (109, 6317800), (124, 5553550), (155, 4442840), (200, 3443201), (218, 3158900), (248, 2776775), (310, 2221420), (436, 1579450), (545, 1263560), (620, 1110710), (775, 888568), (872, 789725), (1019, 675800), (1090, 631780), (1240, 555355), (1550, 444284), (2038, 337900), (2180, 315890), (2725, 252712), (3100, 222142), (3379, 203800), (4076, 168950), (4360, 157945), (5095, 135160), (5450, 126356), (6200, 111071), (6758, 101900), (8152, 84475), (10190, 67580), (10900, 63178), (13516, 50950), (16895, 40760), (20380, 33790), (21800, 31589), (25475, 27032)]