128418620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2549}}^1$

素因数の和:2798

約数の個数: 48

約数和(自身を含む): 295596000

約数和(自身を除く): 167177380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 458, 916, 1145, 2290, 2519, 2549, 4580, 5038, 5098, 10076, 10196, 12595, 12745, 25190, 25490, 28039, 50380, 50980, 56078, 112156, 140195, 280390, 560780, 583721, 1167442, 2334884, 2918605, 5837210, 6420931, 11674420, 12841862, 25683724, 32104655, 64209310, 128418620]

約数ペア:

[(1, 128418620), (2, 64209310), (4, 32104655), (5, 25683724), (10, 12841862), (11, 11674420), (20, 6420931), (22, 5837210), (44, 2918605), (55, 2334884), (110, 1167442), (220, 583721), (229, 560780), (458, 280390), (916, 140195), (1145, 112156), (2290, 56078), (2519, 50980), (2549, 50380), (4580, 28039), (5038, 25490), (5098, 25190), (10076, 12745), (10196, 12595)]