1388895825

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:583

約数の個数: 96

約数和(自身を含む): 2518695936

約数和(自身を除く): 1129800111

約数列:

[1, 3, 5, 15, 23, 25, 37, 47, 69, 75, 111, 115, 141, 185, 235, 345, 463, 555, 575, 705, 851, 925, 1081, 1175, 1389, 1725, 1739, 2315, 2553, 2775, 3243, 3525, 4255, 5217, 5405, 6945, 8695, 10649, 11575, 12765, 16215, 17131, 21275, 21761, 26085, 27025, 31947, 34725, 39997, 43475, 51393, 53245, 63825, 65283, 81075, 85655, 108805, 119991, 130425, 159735, 199985, 256965, 266225, 326415, 394013, 428275, 500503, 544025, 599955, 798675, 805157, 999925, 1182039, 1284825, 1501509, 1632075, 1970065, 2415471, 2502515, 2999775, 4025785, 5910195, 7507545, 9850325, 12077355, 12512575, 18518611, 20128925, 29550975, 37537725, 55555833, 60386775, 92593055, 277779165, 462965275, 1388895825]

約数ペア:

[(1, 1388895825), (3, 462965275), (5, 277779165), (15, 92593055), (23, 60386775), (25, 55555833), (37, 37537725), (47, 29550975), (69, 20128925), (75, 18518611), (111, 12512575), (115, 12077355), (141, 9850325), (185, 7507545), (235, 5910195), (345, 4025785), (463, 2999775), (555, 2502515), (575, 2415471), (705, 1970065), (851, 1632075), (925, 1501509), (1081, 1284825), (1175, 1182039), (1389, 999925), (1725, 805157), (1739, 798675), (2315, 599955), (2553, 544025), (2775, 500503), (3243, 428275), (3525, 394013), (4255, 326415), (5217, 266225), (5405, 256965), (6945, 199985), (8695, 159735), (10649, 130425), (11575, 119991), (12765, 108805), (16215, 85655), (17131, 81075), (21275, 65283), (21761, 63825), (26085, 53245), (27025, 51393), (31947, 43475), (34725, 39997)]