2499830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 4838400

約数和(自身を除く): 2338570

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 223, 295, 446, 590, 1115, 1121, 2230, 2242, 4237, 5605, 8474, 11210, 13157, 21185, 26314, 42370, 65785, 131570, 249983, 499966, 1249915, 2499830]

約数ペア:

[(1, 2499830), (2, 1249915), (5, 499966), (10, 249983), (19, 131570), (38, 65785), (59, 42370), (95, 26314), (118, 21185), (190, 13157), (223, 11210), (295, 8474), (446, 5605), (590, 4237), (1115, 2242), (1121, 2230)]