201086140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{977}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 434748384

約数和(自身を除く): 233662244

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 251, 410, 502, 820, 977, 1004, 1255, 1954, 2510, 3908, 4885, 5020, 9770, 10291, 19540, 20582, 40057, 41164, 51455, 80114, 102910, 160228, 200285, 205820, 245227, 400570, 490454, 801140, 980908, 1226135, 2452270, 4904540, 10054307, 20108614, 40217228, 50271535, 100543070, 201086140]

約数ペア:

[(1, 201086140), (2, 100543070), (4, 50271535), (5, 40217228), (10, 20108614), (20, 10054307), (41, 4904540), (82, 2452270), (164, 1226135), (205, 980908), (251, 801140), (410, 490454), (502, 400570), (820, 245227), (977, 205820), (1004, 200285), (1255, 160228), (1954, 102910), (2510, 80114), (3908, 51455), (4885, 41164), (5020, 40057), (9770, 20582), (10291, 19540)]