90218800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{4603}}^1$

素因数の和:4635

約数の個数: 90

約数和(自身を含む): 252193308

約数和(自身を除く): 161974508

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4603, 4900, 9206, 9800, 18412, 19600, 23015, 32221, 36824, 46030, 64442, 73648, 92060, 115075, 128884, 161105, 184120, 225547, 230150, 257768, 322210, 368240, 451094, 460300, 515536, 644420, 805525, 902188, 920600, 1127735, 1288840, 1611050, 1804376, 1841200, 2255470, 2577680, 3222100, 3608752, 4510940, 5638675, 6444200, 9021880, 11277350, 12888400, 18043760, 22554700, 45109400, 90218800]

約数ペア:

[(1, 90218800), (2, 45109400), (4, 22554700), (5, 18043760), (7, 12888400), (8, 11277350), (10, 9021880), (14, 6444200), (16, 5638675), (20, 4510940), (25, 3608752), (28, 3222100), (35, 2577680), (40, 2255470), (49, 1841200), (50, 1804376), (56, 1611050), (70, 1288840), (80, 1127735), (98, 920600), (100, 902188), (112, 805525), (140, 644420), (175, 515536), (196, 460300), (200, 451094), (245, 368240), (280, 322210), (350, 257768), (392, 230150), (400, 225547), (490, 184120), (560, 161105), (700, 128884), (784, 115075), (980, 92060), (1225, 73648), (1400, 64442), (1960, 46030), (2450, 36824), (2800, 32221), (3920, 23015), (4603, 19600), (4900, 18412), (9206, 9800)]