1390980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 3951360

約数和(自身を除く): 2560380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 239, 291, 388, 478, 485, 582, 717, 956, 970, 1164, 1195, 1434, 1455, 1940, 2390, 2868, 2910, 3585, 4780, 5820, 7170, 14340, 23183, 46366, 69549, 92732, 115915, 139098, 231830, 278196, 347745, 463660, 695490, 1390980]

約数ペア:

[(1, 1390980), (2, 695490), (3, 463660), (4, 347745), (5, 278196), (6, 231830), (10, 139098), (12, 115915), (15, 92732), (20, 69549), (30, 46366), (60, 23183), (97, 14340), (194, 7170), (239, 5820), (291, 4780), (388, 3585), (478, 2910), (485, 2868), (582, 2390), (717, 1940), (956, 1455), (970, 1434), (1164, 1195)]