511198990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 1006848000

約数和(自身を除く): 495649010

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 229, 310, 379, 458, 589, 758, 1145, 1178, 1895, 2290, 2945, 3790, 4351, 5890, 7099, 7201, 8702, 11749, 14198, 14402, 21755, 23498, 35495, 36005, 43510, 58745, 70990, 72010, 86791, 117490, 134881, 173582, 223231, 269762, 433955, 446462, 674405, 867910, 1116155, 1348810, 1649029, 2232310, 2690521, 3298058, 5381042, 8245145, 13452605, 16490290, 26905210, 51119899, 102239798, 255599495, 511198990]

約数ペア:

[(1, 511198990), (2, 255599495), (5, 102239798), (10, 51119899), (19, 26905210), (31, 16490290), (38, 13452605), (62, 8245145), (95, 5381042), (155, 3298058), (190, 2690521), (229, 2232310), (310, 1649029), (379, 1348810), (458, 1116155), (589, 867910), (758, 674405), (1145, 446462), (1178, 433955), (1895, 269762), (2290, 223231), (2945, 173582), (3790, 134881), (4351, 117490), (5890, 86791), (7099, 72010), (7201, 70990), (8702, 58745), (11749, 43510), (14198, 36005), (14402, 35495), (21755, 23498)]