201993821990

素因数分解:

$2^1\times 5^1\times {\mathrm{489101}}^1\times {\mathrm{41299}}^1$

素因数の和:530407

約数の個数: 16

約数和(自身を含む): 363598426800

約数和(自身を除く): 161604604810

約数列:

[1, 2, 5, 10, 41299, 82598, 206495, 412990, 489101, 978202, 2445505, 4891010, 20199382199, 40398764398, 100996910995, 201993821990]

約数ペア:

[(1, 201993821990), (2, 100996910995), (5, 40398764398), (10, 20199382199), (41299, 4891010), (82598, 2445505), (206495, 978202), (412990, 489101)]