254725210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1807

約数の個数: 48

約数和(自身を含む): 495997992

約数和(自身を除く): 241272782

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 361, 410, 722, 779, 1558, 1721, 1805, 3442, 3610, 3895, 7790, 8605, 14801, 17210, 29602, 32699, 65398, 70561, 74005, 141122, 148010, 163495, 326990, 352805, 621281, 705610, 1242562, 1340659, 2681318, 3106405, 6212810, 6703295, 13406590, 25472521, 50945042, 127362605, 254725210]

約数ペア:

[(1, 254725210), (2, 127362605), (5, 50945042), (10, 25472521), (19, 13406590), (38, 6703295), (41, 6212810), (82, 3106405), (95, 2681318), (190, 1340659), (205, 1242562), (361, 705610), (410, 621281), (722, 352805), (779, 326990), (1558, 163495), (1721, 148010), (1805, 141122), (3442, 74005), (3610, 70561), (3895, 65398), (7790, 32699), (8605, 29602), (14801, 17210)]