280116464

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{859}}^1$

素因数の和:1185

約数の個数: 40

約数和(自身を含む): 551862000

約数和(自身を除く): 271745536

約数列:

[1, 2, 4, 8, 16, 89, 178, 229, 356, 458, 712, 859, 916, 1424, 1718, 1832, 3436, 3664, 6872, 13744, 20381, 40762, 76451, 81524, 152902, 163048, 196711, 305804, 326096, 393422, 611608, 786844, 1223216, 1573688, 3147376, 17507279, 35014558, 70029116, 140058232, 280116464]

約数ペア:

[(1, 280116464), (2, 140058232), (4, 70029116), (8, 35014558), (16, 17507279), (89, 3147376), (178, 1573688), (229, 1223216), (356, 786844), (458, 611608), (712, 393422), (859, 326096), (916, 305804), (1424, 196711), (1718, 163048), (1832, 152902), (3436, 81524), (3664, 76451), (6872, 40762), (13744, 20381)]