209291240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{141413}}^1$

素因数の和:141461

約数の個数: 32

約数和(自身を含む): 483635880

約数和(自身を除く): 274344640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 141413, 282826, 565652, 707065, 1131304, 1414130, 2828260, 5232281, 5656520, 10464562, 20929124, 26161405, 41858248, 52322810, 104645620, 209291240]

約数ペア:

[(1, 209291240), (2, 104645620), (4, 52322810), (5, 41858248), (8, 26161405), (10, 20929124), (20, 10464562), (37, 5656520), (40, 5232281), (74, 2828260), (148, 1414130), (185, 1131304), (296, 707065), (370, 565652), (740, 282826), (1480, 141413)]