18140500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 46545408

約数和(自身を除く): 28404908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 73, 100, 125, 140, 142, 146, 175, 250, 284, 292, 350, 355, 365, 497, 500, 511, 700, 710, 730, 875, 994, 1022, 1420, 1460, 1750, 1775, 1825, 1988, 2044, 2485, 2555, 3500, 3550, 3650, 4970, 5110, 5183, 7100, 7300, 8875, 9125, 9940, 10220, 10366, 12425, 12775, 17750, 18250, 20732, 24850, 25550, 25915, 35500, 36281, 36500, 49700, 51100, 51830, 62125, 63875, 72562, 103660, 124250, 127750, 129575, 145124, 181405, 248500, 255500, 259150, 362810, 518300, 647875, 725620, 907025, 1295750, 1814050, 2591500, 3628100, 4535125, 9070250, 18140500]

約数ペア:

[(1, 18140500), (2, 9070250), (4, 4535125), (5, 3628100), (7, 2591500), (10, 1814050), (14, 1295750), (20, 907025), (25, 725620), (28, 647875), (35, 518300), (50, 362810), (70, 259150), (71, 255500), (73, 248500), (100, 181405), (125, 145124), (140, 129575), (142, 127750), (146, 124250), (175, 103660), (250, 72562), (284, 63875), (292, 62125), (350, 51830), (355, 51100), (365, 49700), (497, 36500), (500, 36281), (511, 35500), (700, 25915), (710, 25550), (730, 24850), (875, 20732), (994, 18250), (1022, 17750), (1420, 12775), (1460, 12425), (1750, 10366), (1775, 10220), (1825, 9940), (1988, 9125), (2044, 8875), (2485, 7300), (2555, 7100), (3500, 5183), (3550, 5110), (3650, 4970)]