402023240

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{43889}}^1$

素因数の和:44129

約数の個数: 32

約数和(自身を含む): 908523000

約数和(自身を除く): 506499760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 43889, 87778, 175556, 219445, 351112, 438890, 877780, 1755560, 10050581, 20101162, 40202324, 50252905, 80404648, 100505810, 201011620, 402023240]

約数ペア:

[(1, 402023240), (2, 201011620), (4, 100505810), (5, 80404648), (8, 50252905), (10, 40202324), (20, 20101162), (40, 10050581), (229, 1755560), (458, 877780), (916, 438890), (1145, 351112), (1832, 219445), (2290, 175556), (4580, 87778), (9160, 43889)]