644189000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7079}}^1$

素因数の和:7120

約数の個数: 128

約数和(自身を含む): 1855526400

約数和(自身を除く): 1211337400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 250, 260, 280, 325, 350, 364, 455, 500, 520, 650, 700, 728, 875, 910, 1000, 1300, 1400, 1625, 1750, 1820, 2275, 2600, 3250, 3500, 3640, 4550, 6500, 7000, 7079, 9100, 11375, 13000, 14158, 18200, 22750, 28316, 35395, 45500, 49553, 56632, 70790, 91000, 92027, 99106, 141580, 176975, 184054, 198212, 247765, 283160, 353950, 368108, 396424, 460135, 495530, 644189, 707900, 736216, 884875, 920270, 991060, 1238825, 1288378, 1415800, 1769750, 1840540, 1982120, 2300675, 2477650, 2576756, 3220945, 3539500, 3681080, 4601350, 4955300, 5153512, 6194125, 6441890, 7079000, 9202700, 9910600, 11503375, 12388250, 12883780, 16104725, 18405400, 23006750, 24776500, 25767560, 32209450, 46013500, 49553000, 64418900, 80523625, 92027000, 128837800, 161047250, 322094500, 644189000]

約数ペア:

[(1, 644189000), (2, 322094500), (4, 161047250), (5, 128837800), (7, 92027000), (8, 80523625), (10, 64418900), (13, 49553000), (14, 46013500), (20, 32209450), (25, 25767560), (26, 24776500), (28, 23006750), (35, 18405400), (40, 16104725), (50, 12883780), (52, 12388250), (56, 11503375), (65, 9910600), (70, 9202700), (91, 7079000), (100, 6441890), (104, 6194125), (125, 5153512), (130, 4955300), (140, 4601350), (175, 3681080), (182, 3539500), (200, 3220945), (250, 2576756), (260, 2477650), (280, 2300675), (325, 1982120), (350, 1840540), (364, 1769750), (455, 1415800), (500, 1288378), (520, 1238825), (650, 991060), (700, 920270), (728, 884875), (875, 736216), (910, 707900), (1000, 644189), (1300, 495530), (1400, 460135), (1625, 396424), (1750, 368108), (1820, 353950), (2275, 283160), (2600, 247765), (3250, 198212), (3500, 184054), (3640, 176975), (4550, 141580), (6500, 99106), (7000, 92027), (7079, 91000), (9100, 70790), (11375, 56632), (13000, 49553), (14158, 45500), (18200, 35395), (22750, 28316)]