53172140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2549}}^1$

素因数の和:2714

約数の個数: 48

約数和(自身を含む): 128520000

約数和(自身を除く): 75347860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2549, 2980, 4172, 5098, 5215, 10196, 10430, 12745, 17843, 20860, 25490, 35686, 50980, 71372, 89215, 178430, 356860, 379801, 759602, 1519204, 1899005, 2658607, 3798010, 5317214, 7596020, 10634428, 13293035, 26586070, 53172140]

約数ペア:

[(1, 53172140), (2, 26586070), (4, 13293035), (5, 10634428), (7, 7596020), (10, 5317214), (14, 3798010), (20, 2658607), (28, 1899005), (35, 1519204), (70, 759602), (140, 379801), (149, 356860), (298, 178430), (596, 89215), (745, 71372), (1043, 50980), (1490, 35686), (2086, 25490), (2549, 20860), (2980, 17843), (4172, 12745), (5098, 10430), (5215, 10196)]