289358524

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 688195200

約数和(自身を除く): 398836676

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 43, 49, 52, 76, 86, 91, 98, 133, 139, 172, 182, 196, 247, 266, 278, 301, 364, 494, 532, 556, 559, 602, 637, 817, 931, 973, 988, 1118, 1204, 1274, 1634, 1729, 1807, 1862, 1946, 2107, 2236, 2548, 2641, 3268, 3458, 3614, 3724, 3892, 3913, 4214, 5282, 5719, 5977, 6811, 6916, 7228, 7826, 8428, 10564, 10621, 11438, 11954, 12103, 12649, 13622, 15652, 18487, 21242, 22876, 23908, 24206, 25298, 27244, 27391, 34333, 36974, 40033, 41839, 42484, 48412, 50596, 54782, 68666, 73948, 74347, 77701, 80066, 83678, 88543, 109564, 113563, 129409, 137332, 148694, 155402, 160132, 167356, 177086, 227126, 240331, 258818, 292873, 297388, 310804, 354172, 454252, 480662, 517636, 520429, 543907, 585746, 794941, 961324, 1040858, 1087814, 1171492, 1476319, 1589882, 1682317, 2081716, 2175628, 2952638, 3179764, 3364634, 3807349, 5564587, 5905276, 6729268, 7614698, 10334233, 11129174, 15229396, 20668466, 22258348, 41336932, 72339631, 144679262, 289358524]

約数ペア:

[(1, 289358524), (2, 144679262), (4, 72339631), (7, 41336932), (13, 22258348), (14, 20668466), (19, 15229396), (26, 11129174), (28, 10334233), (38, 7614698), (43, 6729268), (49, 5905276), (52, 5564587), (76, 3807349), (86, 3364634), (91, 3179764), (98, 2952638), (133, 2175628), (139, 2081716), (172, 1682317), (182, 1589882), (196, 1476319), (247, 1171492), (266, 1087814), (278, 1040858), (301, 961324), (364, 794941), (494, 585746), (532, 543907), (556, 520429), (559, 517636), (602, 480662), (637, 454252), (817, 354172), (931, 310804), (973, 297388), (988, 292873), (1118, 258818), (1204, 240331), (1274, 227126), (1634, 177086), (1729, 167356), (1807, 160132), (1862, 155402), (1946, 148694), (2107, 137332), (2236, 129409), (2548, 113563), (2641, 109564), (3268, 88543), (3458, 83678), (3614, 80066), (3724, 77701), (3892, 74347), (3913, 73948), (4214, 68666), (5282, 54782), (5719, 50596), (5977, 48412), (6811, 42484), (6916, 41839), (7228, 40033), (7826, 36974), (8428, 34333), (10564, 27391), (10621, 27244), (11438, 25298), (11954, 24206), (12103, 23908), (12649, 22876), (13622, 21242), (15652, 18487)]