1988700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{947}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 6582912

約数和(自身を除く): 4594212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 947, 1050, 1894, 2100, 2841, 3788, 4735, 5682, 6629, 9470, 11364, 13258, 14205, 18940, 19887, 23675, 26516, 28410, 33145, 39774, 47350, 56820, 66290, 71025, 79548, 94700, 99435, 132580, 142050, 165725, 198870, 284100, 331450, 397740, 497175, 662900, 994350, 1988700]

約数ペア:

[(1, 1988700), (2, 994350), (3, 662900), (4, 497175), (5, 397740), (6, 331450), (7, 284100), (10, 198870), (12, 165725), (14, 142050), (15, 132580), (20, 99435), (21, 94700), (25, 79548), (28, 71025), (30, 66290), (35, 56820), (42, 47350), (50, 39774), (60, 33145), (70, 28410), (75, 26516), (84, 23675), (100, 19887), (105, 18940), (140, 14205), (150, 13258), (175, 11364), (210, 9470), (300, 6629), (350, 5682), (420, 4735), (525, 3788), (700, 2841), (947, 2100), (1050, 1894)]