622820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 1512000

約数和(自身を除く): 889180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 149, 190, 209, 220, 298, 380, 418, 596, 745, 836, 1045, 1490, 1639, 2090, 2831, 2980, 3278, 4180, 5662, 6556, 8195, 11324, 14155, 16390, 28310, 31141, 32780, 56620, 62282, 124564, 155705, 311410, 622820]

約数ペア:

[(1, 622820), (2, 311410), (4, 155705), (5, 124564), (10, 62282), (11, 56620), (19, 32780), (20, 31141), (22, 28310), (38, 16390), (44, 14155), (55, 11324), (76, 8195), (95, 6556), (110, 5662), (149, 4180), (190, 3278), (209, 2980), (220, 2831), (298, 2090), (380, 1639), (418, 1490), (596, 1045), (745, 836)]