1379370580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{26557}}^1$

素因数の和:26633

約数の個数: 72

約数和(自身を含む): 3433312008

約数和(自身を除く): 2053941428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 3710, 5194, 7420, 10388, 12985, 25970, 26557, 51940, 53114, 106228, 132785, 185899, 265570, 371798, 531140, 743596, 929495, 1301293, 1407521, 1858990, 2602586, 2815042, 3717980, 5205172, 5630084, 6506465, 7037605, 9852647, 13012930, 14075210, 19705294, 26025860, 28150420, 39410588, 49263235, 68968529, 98526470, 137937058, 197052940, 275874116, 344842645, 689685290, 1379370580]

約数ペア:

[(1, 1379370580), (2, 689685290), (4, 344842645), (5, 275874116), (7, 197052940), (10, 137937058), (14, 98526470), (20, 68968529), (28, 49263235), (35, 39410588), (49, 28150420), (53, 26025860), (70, 19705294), (98, 14075210), (106, 13012930), (140, 9852647), (196, 7037605), (212, 6506465), (245, 5630084), (265, 5205172), (371, 3717980), (490, 2815042), (530, 2602586), (742, 1858990), (980, 1407521), (1060, 1301293), (1484, 929495), (1855, 743596), (2597, 531140), (3710, 371798), (5194, 265570), (7420, 185899), (10388, 132785), (12985, 106228), (25970, 53114), (26557, 51940)]