209898460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{2521}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 462676032

約数和(自身を除く): 252777572

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 181, 230, 362, 460, 724, 905, 1810, 2521, 3620, 4163, 5042, 8326, 10084, 12605, 16652, 20815, 25210, 41630, 50420, 57983, 83260, 115966, 231932, 289915, 456301, 579830, 912602, 1159660, 1825204, 2281505, 4563010, 9126020, 10494923, 20989846, 41979692, 52474615, 104949230, 209898460]

約数ペア:

[(1, 209898460), (2, 104949230), (4, 52474615), (5, 41979692), (10, 20989846), (20, 10494923), (23, 9126020), (46, 4563010), (92, 2281505), (115, 1825204), (181, 1159660), (230, 912602), (362, 579830), (460, 456301), (724, 289915), (905, 231932), (1810, 115966), (2521, 83260), (3620, 57983), (4163, 50420), (5042, 41630), (8326, 25210), (10084, 20815), (12605, 16652)]