161399200

素因数分解:

$2^5\times 5^2\times {\mathrm{229}}^1\times {\mathrm{881}}^1$

素因数の和:1130

約数の個数: 72

約数和(自身を含む): 396185580

約数和(自身を除く): 234786380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 229, 400, 458, 800, 881, 916, 1145, 1762, 1832, 2290, 3524, 3664, 4405, 4580, 5725, 7048, 7328, 8810, 9160, 11450, 14096, 17620, 18320, 22025, 22900, 28192, 35240, 36640, 44050, 45800, 70480, 88100, 91600, 140960, 176200, 183200, 201749, 352400, 403498, 704800, 806996, 1008745, 1613992, 2017490, 3227984, 4034980, 5043725, 6455968, 8069960, 10087450, 16139920, 20174900, 32279840, 40349800, 80699600, 161399200]

約数ペア:

[(1, 161399200), (2, 80699600), (4, 40349800), (5, 32279840), (8, 20174900), (10, 16139920), (16, 10087450), (20, 8069960), (25, 6455968), (32, 5043725), (40, 4034980), (50, 3227984), (80, 2017490), (100, 1613992), (160, 1008745), (200, 806996), (229, 704800), (400, 403498), (458, 352400), (800, 201749), (881, 183200), (916, 176200), (1145, 140960), (1762, 91600), (1832, 88100), (2290, 70480), (3524, 45800), (3664, 44050), (4405, 36640), (4580, 35240), (5725, 28192), (7048, 22900), (7328, 22025), (8810, 18320), (9160, 17620), (11450, 14096)]