2253860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 5733504

約数和(自身を除く): 3479644

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 947, 1190, 1894, 2380, 3788, 4735, 6629, 9470, 13258, 16099, 18940, 26516, 32198, 33145, 64396, 66290, 80495, 112693, 132580, 160990, 225386, 321980, 450772, 563465, 1126930, 2253860]

約数ペア:

[(1, 2253860), (2, 1126930), (4, 563465), (5, 450772), (7, 321980), (10, 225386), (14, 160990), (17, 132580), (20, 112693), (28, 80495), (34, 66290), (35, 64396), (68, 33145), (70, 32198), (85, 26516), (119, 18940), (140, 16099), (170, 13258), (238, 9470), (340, 6629), (476, 4735), (595, 3788), (947, 2380), (1190, 1894)]