27840400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 78171584

約数和(自身を除く): 50331184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 61, 70, 80, 100, 112, 122, 140, 163, 175, 200, 244, 280, 305, 326, 350, 400, 427, 488, 560, 610, 652, 700, 815, 854, 976, 1141, 1220, 1304, 1400, 1525, 1630, 1708, 2135, 2282, 2440, 2608, 2800, 3050, 3260, 3416, 4075, 4270, 4564, 4880, 5705, 6100, 6520, 6832, 8150, 8540, 9128, 9943, 10675, 11410, 12200, 13040, 16300, 17080, 18256, 19886, 21350, 22820, 24400, 28525, 32600, 34160, 39772, 42700, 45640, 49715, 57050, 65200, 69601, 79544, 85400, 91280, 99430, 114100, 139202, 159088, 170800, 198860, 228200, 248575, 278404, 348005, 397720, 456400, 497150, 556808, 696010, 795440, 994300, 1113616, 1392020, 1740025, 1988600, 2784040, 3480050, 3977200, 5568080, 6960100, 13920200, 27840400]

約数ペア:

[(1, 27840400), (2, 13920200), (4, 6960100), (5, 5568080), (7, 3977200), (8, 3480050), (10, 2784040), (14, 1988600), (16, 1740025), (20, 1392020), (25, 1113616), (28, 994300), (35, 795440), (40, 696010), (50, 556808), (56, 497150), (61, 456400), (70, 397720), (80, 348005), (100, 278404), (112, 248575), (122, 228200), (140, 198860), (163, 170800), (175, 159088), (200, 139202), (244, 114100), (280, 99430), (305, 91280), (326, 85400), (350, 79544), (400, 69601), (427, 65200), (488, 57050), (560, 49715), (610, 45640), (652, 42700), (700, 39772), (815, 34160), (854, 32600), (976, 28525), (1141, 24400), (1220, 22820), (1304, 21350), (1400, 19886), (1525, 18256), (1630, 17080), (1708, 16300), (2135, 13040), (2282, 12200), (2440, 11410), (2608, 10675), (2800, 9943), (3050, 9128), (3260, 8540), (3416, 8150), (4075, 6832), (4270, 6520), (4564, 6100), (4880, 5705)]