204525440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:740

約数の個数: 128

約数和(自身を含む): 567544320

約数和(自身を除く): 363018880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 640, 643, 710, 896, 994, 1120, 1136, 1286, 1420, 1988, 2240, 2272, 2485, 2572, 2840, 3215, 3976, 4480, 4501, 4544, 4970, 5144, 5680, 6430, 7952, 9002, 9088, 9940, 10288, 11360, 12860, 15904, 18004, 19880, 20576, 22505, 22720, 25720, 31808, 36008, 39760, 41152, 45010, 45440, 45653, 51440, 63616, 72016, 79520, 82304, 90020, 91306, 102880, 144032, 159040, 180040, 182612, 205760, 228265, 288064, 318080, 319571, 360080, 365224, 411520, 456530, 576128, 639142, 720160, 730448, 913060, 1278284, 1440320, 1460896, 1597855, 1826120, 2556568, 2880640, 2921792, 3195710, 3652240, 5113136, 5843584, 6391420, 7304480, 10226272, 12782840, 14608960, 20452544, 25565680, 29217920, 40905088, 51131360, 102262720, 204525440]

約数ペア:

[(1, 204525440), (2, 102262720), (4, 51131360), (5, 40905088), (7, 29217920), (8, 25565680), (10, 20452544), (14, 14608960), (16, 12782840), (20, 10226272), (28, 7304480), (32, 6391420), (35, 5843584), (40, 5113136), (56, 3652240), (64, 3195710), (70, 2921792), (71, 2880640), (80, 2556568), (112, 1826120), (128, 1597855), (140, 1460896), (142, 1440320), (160, 1278284), (224, 913060), (280, 730448), (284, 720160), (320, 639142), (355, 576128), (448, 456530), (497, 411520), (560, 365224), (568, 360080), (640, 319571), (643, 318080), (710, 288064), (896, 228265), (994, 205760), (1120, 182612), (1136, 180040), (1286, 159040), (1420, 144032), (1988, 102880), (2240, 91306), (2272, 90020), (2485, 82304), (2572, 79520), (2840, 72016), (3215, 63616), (3976, 51440), (4480, 45653), (4501, 45440), (4544, 45010), (4970, 41152), (5144, 39760), (5680, 36008), (6430, 31808), (7952, 25720), (9002, 22720), (9088, 22505), (9940, 20576), (10288, 19880), (11360, 18004), (12860, 15904)]