898494500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^2\times {\mathrm{1069}}^1$

素因数の和:1170

約数の個数: 72

約数和(自身を含む): 2013222120

約数和(自身を除く): 1114727620

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1025, 1069, 1681, 2050, 2138, 3362, 4100, 4276, 5125, 5345, 6724, 8405, 10250, 10690, 16810, 20500, 21380, 26725, 33620, 42025, 43829, 53450, 84050, 87658, 106900, 133625, 168100, 175316, 210125, 219145, 267250, 420250, 438290, 534500, 840500, 876580, 1095725, 1796989, 2191450, 3593978, 4382900, 5478625, 7187956, 8984945, 10957250, 17969890, 21914500, 35939780, 44924725, 89849450, 179698900, 224623625, 449247250, 898494500]

約数ペア:

[(1, 898494500), (2, 449247250), (4, 224623625), (5, 179698900), (10, 89849450), (20, 44924725), (25, 35939780), (41, 21914500), (50, 17969890), (82, 10957250), (100, 8984945), (125, 7187956), (164, 5478625), (205, 4382900), (250, 3593978), (410, 2191450), (500, 1796989), (820, 1095725), (1025, 876580), (1069, 840500), (1681, 534500), (2050, 438290), (2138, 420250), (3362, 267250), (4100, 219145), (4276, 210125), (5125, 175316), (5345, 168100), (6724, 133625), (8405, 106900), (10250, 87658), (10690, 84050), (16810, 53450), (20500, 43829), (21380, 42025), (26725, 33620)]