401558768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 962438400

約数和(自身を除く): 560879632

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 43, 52, 68, 76, 86, 104, 136, 139, 152, 172, 208, 221, 247, 272, 278, 304, 323, 344, 442, 494, 556, 559, 646, 688, 731, 817, 884, 988, 1112, 1118, 1292, 1462, 1634, 1768, 1807, 1976, 2224, 2236, 2363, 2584, 2641, 2924, 3268, 3536, 3614, 3952, 4199, 4472, 4726, 5168, 5282, 5848, 5977, 6536, 7228, 8398, 8944, 9452, 9503, 10564, 10621, 11696, 11954, 13072, 13889, 14456, 16796, 18904, 19006, 21128, 21242, 23908, 27778, 28912, 30719, 33592, 34333, 37808, 38012, 42256, 42484, 44897, 47816, 55556, 61438, 67184, 68666, 76024, 77701, 84968, 89794, 95632, 101609, 111112, 113563, 122876, 137332, 152048, 155402, 169936, 179588, 180557, 203218, 222224, 227126, 245752, 274664, 310804, 359176, 361114, 406436, 454252, 491504, 549328, 583661, 621608, 718352, 722228, 812872, 908504, 1167322, 1243216, 1320917, 1444456, 1476319, 1625744, 1817008, 1930571, 2334644, 2641834, 2888912, 2952638, 3861142, 4669288, 5283668, 5905276, 7722284, 9338576, 10567336, 11810552, 15444568, 21134672, 23621104, 25097423, 30889136, 50194846, 100389692, 200779384, 401558768]

約数ペア:

[(1, 401558768), (2, 200779384), (4, 100389692), (8, 50194846), (13, 30889136), (16, 25097423), (17, 23621104), (19, 21134672), (26, 15444568), (34, 11810552), (38, 10567336), (43, 9338576), (52, 7722284), (68, 5905276), (76, 5283668), (86, 4669288), (104, 3861142), (136, 2952638), (139, 2888912), (152, 2641834), (172, 2334644), (208, 1930571), (221, 1817008), (247, 1625744), (272, 1476319), (278, 1444456), (304, 1320917), (323, 1243216), (344, 1167322), (442, 908504), (494, 812872), (556, 722228), (559, 718352), (646, 621608), (688, 583661), (731, 549328), (817, 491504), (884, 454252), (988, 406436), (1112, 361114), (1118, 359176), (1292, 310804), (1462, 274664), (1634, 245752), (1768, 227126), (1807, 222224), (1976, 203218), (2224, 180557), (2236, 179588), (2363, 169936), (2584, 155402), (2641, 152048), (2924, 137332), (3268, 122876), (3536, 113563), (3614, 111112), (3952, 101609), (4199, 95632), (4472, 89794), (4726, 84968), (5168, 77701), (5282, 76024), (5848, 68666), (5977, 67184), (6536, 61438), (7228, 55556), (8398, 47816), (8944, 44897), (9452, 42484), (9503, 42256), (10564, 38012), (10621, 37808), (11696, 34333), (11954, 33592), (13072, 30719), (13889, 28912), (14456, 27778), (16796, 23908), (18904, 21242), (19006, 21128)]