220147858

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 421521408

約数和(自身を除く): 201373550

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 131, 161, 238, 262, 307, 322, 391, 614, 782, 917, 1834, 2149, 2227, 2737, 3013, 4298, 4454, 5219, 5474, 6026, 7061, 10438, 14122, 15589, 21091, 31178, 36533, 40217, 42182, 49427, 51221, 73066, 80434, 98854, 102442, 120037, 240074, 281519, 358547, 563038, 683689, 717094, 840259, 924991, 1367378, 1680518, 1849982, 4785823, 6474937, 9571646, 12949874, 15724847, 31449694, 110073929, 220147858]

約数ペア:

[(1, 220147858), (2, 110073929), (7, 31449694), (14, 15724847), (17, 12949874), (23, 9571646), (34, 6474937), (46, 4785823), (119, 1849982), (131, 1680518), (161, 1367378), (238, 924991), (262, 840259), (307, 717094), (322, 683689), (391, 563038), (614, 358547), (782, 281519), (917, 240074), (1834, 120037), (2149, 102442), (2227, 98854), (2737, 80434), (3013, 73066), (4298, 51221), (4454, 49427), (5219, 42182), (5474, 40217), (6026, 36533), (7061, 31178), (10438, 21091), (14122, 15589)]