1820329460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{14009}}^1$

素因数の和:14180

約数の個数: 48

約数和(自身を含む): 3918877200

約数和(自身を除く): 2098547740

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 146, 178, 292, 356, 365, 445, 730, 890, 1460, 1780, 6497, 12994, 14009, 25988, 28018, 32485, 56036, 64970, 70045, 129940, 140090, 280180, 1022657, 1246801, 2045314, 2493602, 4090628, 4987204, 5113285, 6234005, 10226570, 12468010, 20453140, 24936020, 91016473, 182032946, 364065892, 455082365, 910164730, 1820329460]

約数ペア:

[(1, 1820329460), (2, 910164730), (4, 455082365), (5, 364065892), (10, 182032946), (20, 91016473), (73, 24936020), (89, 20453140), (146, 12468010), (178, 10226570), (292, 6234005), (356, 5113285), (365, 4987204), (445, 4090628), (730, 2493602), (890, 2045314), (1460, 1246801), (1780, 1022657), (6497, 280180), (12994, 140090), (14009, 129940), (25988, 70045), (28018, 64970), (32485, 56036)]