261974052

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 739065600

約数和(自身を除く): 477091548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 47, 57, 58, 76, 87, 94, 114, 116, 141, 171, 174, 188, 228, 261, 281, 282, 342, 348, 423, 522, 551, 562, 564, 684, 843, 846, 893, 1044, 1102, 1124, 1363, 1653, 1686, 1692, 1786, 2204, 2529, 2679, 2726, 3306, 3372, 3572, 4089, 4959, 5058, 5339, 5358, 5452, 6612, 8037, 8149, 8178, 9918, 10116, 10678, 10716, 12267, 13207, 16017, 16074, 16298, 16356, 19836, 21356, 24447, 24534, 25897, 26414, 32034, 32148, 32596, 39621, 48051, 48894, 49068, 51794, 52828, 64068, 73341, 77691, 79242, 96102, 97788, 103588, 118863, 146682, 154831, 155382, 158484, 192204, 233073, 237726, 250933, 293364, 309662, 310764, 383003, 464493, 466146, 475452, 501866, 619324, 752799, 766006, 928986, 932292, 1003732, 1149009, 1393479, 1505598, 1532012, 1857972, 2258397, 2298018, 2786958, 3011196, 3447027, 4516794, 4596036, 5573916, 6894054, 7277057, 9033588, 13788108, 14554114, 21831171, 29108228, 43662342, 65493513, 87324684, 130987026, 261974052]

約数ペア:

[(1, 261974052), (2, 130987026), (3, 87324684), (4, 65493513), (6, 43662342), (9, 29108228), (12, 21831171), (18, 14554114), (19, 13788108), (29, 9033588), (36, 7277057), (38, 6894054), (47, 5573916), (57, 4596036), (58, 4516794), (76, 3447027), (87, 3011196), (94, 2786958), (114, 2298018), (116, 2258397), (141, 1857972), (171, 1532012), (174, 1505598), (188, 1393479), (228, 1149009), (261, 1003732), (281, 932292), (282, 928986), (342, 766006), (348, 752799), (423, 619324), (522, 501866), (551, 475452), (562, 466146), (564, 464493), (684, 383003), (843, 310764), (846, 309662), (893, 293364), (1044, 250933), (1102, 237726), (1124, 233073), (1363, 192204), (1653, 158484), (1686, 155382), (1692, 154831), (1786, 146682), (2204, 118863), (2529, 103588), (2679, 97788), (2726, 96102), (3306, 79242), (3372, 77691), (3572, 73341), (4089, 64068), (4959, 52828), (5058, 51794), (5339, 49068), (5358, 48894), (5452, 48051), (6612, 39621), (8037, 32596), (8149, 32148), (8178, 32034), (9918, 26414), (10116, 25897), (10678, 24534), (10716, 24447), (12267, 21356), (13207, 19836), (16017, 16356), (16074, 16298)]