200902760

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27749}}^1$

素因数の和:27941

約数の個数: 32

約数和(自身を含む): 454545000

約数和(自身を除く): 253642240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27749, 55498, 110996, 138745, 221992, 277490, 554980, 1109960, 5022569, 10045138, 20090276, 25112845, 40180552, 50225690, 100451380, 200902760]

約数ペア:

[(1, 200902760), (2, 100451380), (4, 50225690), (5, 40180552), (8, 25112845), (10, 20090276), (20, 10045138), (40, 5022569), (181, 1109960), (362, 554980), (724, 277490), (905, 221992), (1448, 138745), (1810, 110996), (3620, 55498), (7240, 27749)]