398450230

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1\times {\mathrm{787}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 724575456

約数和(自身を除く): 326125226

約数列:

[1, 2, 5, 10, 197, 257, 394, 514, 787, 985, 1285, 1574, 1970, 2570, 3935, 7870, 50629, 101258, 155039, 202259, 253145, 310078, 404518, 506290, 775195, 1011295, 1550390, 2022590, 39845023, 79690046, 199225115, 398450230]

約数ペア:

[(1, 398450230), (2, 199225115), (5, 79690046), (10, 39845023), (197, 2022590), (257, 1550390), (394, 1011295), (514, 775195), (787, 506290), (985, 404518), (1285, 310078), (1574, 253145), (1970, 202259), (2570, 155039), (3935, 101258), (7870, 50629)]