390429280

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 948689280

約数和(自身を除く): 558260000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 109, 122, 160, 218, 244, 305, 367, 436, 488, 545, 610, 734, 872, 976, 1090, 1220, 1468, 1744, 1835, 1952, 2180, 2440, 2936, 3488, 3670, 4360, 4880, 5872, 6649, 7340, 8720, 9760, 11744, 13298, 14680, 17440, 22387, 26596, 29360, 33245, 40003, 44774, 53192, 58720, 66490, 80006, 89548, 106384, 111935, 132980, 160012, 179096, 200015, 212768, 223870, 265960, 320024, 358192, 400030, 447740, 531920, 640048, 716384, 800060, 895480, 1063840, 1280096, 1600120, 1790960, 2440183, 3200240, 3581920, 4880366, 6400480, 9760732, 12200915, 19521464, 24401830, 39042928, 48803660, 78085856, 97607320, 195214640, 390429280]

約数ペア:

[(1, 390429280), (2, 195214640), (4, 97607320), (5, 78085856), (8, 48803660), (10, 39042928), (16, 24401830), (20, 19521464), (32, 12200915), (40, 9760732), (61, 6400480), (80, 4880366), (109, 3581920), (122, 3200240), (160, 2440183), (218, 1790960), (244, 1600120), (305, 1280096), (367, 1063840), (436, 895480), (488, 800060), (545, 716384), (610, 640048), (734, 531920), (872, 447740), (976, 400030), (1090, 358192), (1220, 320024), (1468, 265960), (1744, 223870), (1835, 212768), (1952, 200015), (2180, 179096), (2440, 160012), (2936, 132980), (3488, 111935), (3670, 106384), (4360, 89548), (4880, 80006), (5872, 66490), (6649, 58720), (7340, 53192), (8720, 44774), (9760, 40003), (11744, 33245), (13298, 29360), (14680, 26596), (17440, 22387)]