275964325

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 108

約数和(自身を含む): 455292288

約数和(自身を除く): 179327963

約数列:

[1, 5, 7, 13, 25, 31, 35, 43, 49, 65, 91, 155, 169, 175, 215, 217, 245, 301, 325, 403, 455, 559, 637, 775, 845, 1075, 1085, 1183, 1225, 1333, 1505, 1519, 2015, 2107, 2275, 2795, 2821, 3185, 3913, 4225, 5239, 5425, 5915, 6665, 7267, 7525, 7595, 8281, 9331, 10075, 10535, 13975, 14105, 15925, 17329, 19565, 19747, 26195, 27391, 29575, 33325, 36335, 36673, 37975, 41405, 46655, 50869, 52675, 65317, 70525, 86645, 97825, 98735, 121303, 130975, 136955, 181675, 183365, 207025, 225277, 233275, 254345, 256711, 326585, 356083, 433225, 493675, 606515, 684775, 849121, 916825, 1126385, 1271725, 1283555, 1576939, 1632925, 1780415, 3032575, 4245605, 5631925, 6417775, 7884695, 8902075, 11038573, 21228025, 39423475, 55192865, 275964325]

約数ペア:

[(1, 275964325), (5, 55192865), (7, 39423475), (13, 21228025), (25, 11038573), (31, 8902075), (35, 7884695), (43, 6417775), (49, 5631925), (65, 4245605), (91, 3032575), (155, 1780415), (169, 1632925), (175, 1576939), (215, 1283555), (217, 1271725), (245, 1126385), (301, 916825), (325, 849121), (403, 684775), (455, 606515), (559, 493675), (637, 433225), (775, 356083), (845, 326585), (1075, 256711), (1085, 254345), (1183, 233275), (1225, 225277), (1333, 207025), (1505, 183365), (1519, 181675), (2015, 136955), (2107, 130975), (2275, 121303), (2795, 98735), (2821, 97825), (3185, 86645), (3913, 70525), (4225, 65317), (5239, 52675), (5425, 50869), (5915, 46655), (6665, 41405), (7267, 37975), (7525, 36673), (7595, 36335), (8281, 33325), (9331, 29575), (10075, 27391), (10535, 26195), (13975, 19747), (14105, 19565), (15925, 17329)]