203988560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3121}}^1$

素因数の和:3196

約数の個数: 80

約数和(自身を含む): 511008960

約数和(自身を除く): 307020400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 3121, 3268, 3440, 4085, 6242, 6536, 8170, 12484, 13072, 15605, 16340, 24968, 31210, 32680, 49936, 59299, 62420, 65360, 118598, 124840, 134203, 237196, 249680, 268406, 296495, 474392, 536812, 592990, 671015, 948784, 1073624, 1185980, 1342030, 2147248, 2371960, 2549857, 2684060, 4743920, 5099714, 5368120, 10199428, 10736240, 12749285, 20398856, 25498570, 40797712, 50997140, 101994280, 203988560]

約数ペア:

[(1, 203988560), (2, 101994280), (4, 50997140), (5, 40797712), (8, 25498570), (10, 20398856), (16, 12749285), (19, 10736240), (20, 10199428), (38, 5368120), (40, 5099714), (43, 4743920), (76, 2684060), (80, 2549857), (86, 2371960), (95, 2147248), (152, 1342030), (172, 1185980), (190, 1073624), (215, 948784), (304, 671015), (344, 592990), (380, 536812), (430, 474392), (688, 296495), (760, 268406), (817, 249680), (860, 237196), (1520, 134203), (1634, 124840), (1720, 118598), (3121, 65360), (3268, 62420), (3440, 59299), (4085, 49936), (6242, 32680), (6536, 31210), (8170, 24968), (12484, 16340), (13072, 15605)]