1115690120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{287549}}^1$

素因数の和:287657

約数の個数: 32

約数和(自身を含む): 2536191000

約数和(自身を除く): 1420500880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 287549, 575098, 1150196, 1437745, 2300392, 2875490, 5750980, 11501960, 27892253, 55784506, 111569012, 139461265, 223138024, 278922530, 557845060, 1115690120]

約数ペア:

[(1, 1115690120), (2, 557845060), (4, 278922530), (5, 223138024), (8, 139461265), (10, 111569012), (20, 55784506), (40, 27892253), (97, 11501960), (194, 5750980), (388, 2875490), (485, 2300392), (776, 1437745), (970, 1150196), (1940, 575098), (3880, 287549)]