78242800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4549}}^1$

素因数の和:4610

約数の個数: 60

約数和(自身を含む): 192392200

約数和(自身を除く): 114149400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 4300, 4549, 8600, 9098, 17200, 18196, 22745, 36392, 45490, 72784, 90980, 113725, 181960, 195607, 227450, 363920, 391214, 454900, 782428, 909800, 978035, 1564856, 1819600, 1956070, 3129712, 3912140, 4890175, 7824280, 9780350, 15648560, 19560700, 39121400, 78242800]

約数ペア:

[(1, 78242800), (2, 39121400), (4, 19560700), (5, 15648560), (8, 9780350), (10, 7824280), (16, 4890175), (20, 3912140), (25, 3129712), (40, 1956070), (43, 1819600), (50, 1564856), (80, 978035), (86, 909800), (100, 782428), (172, 454900), (200, 391214), (215, 363920), (344, 227450), (400, 195607), (430, 181960), (688, 113725), (860, 90980), (1075, 72784), (1720, 45490), (2150, 36392), (3440, 22745), (4300, 18196), (4549, 17200), (8600, 9098)]