168719740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1609}}^1$

素因数の和:1739

約数の個数: 72

約数和(自身を含む): 416268720

約数和(自身を除く): 247548980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 428, 490, 535, 749, 980, 1070, 1498, 1609, 2140, 2996, 3218, 3745, 5243, 6436, 7490, 8045, 10486, 11263, 14980, 16090, 20972, 22526, 26215, 32180, 45052, 52430, 56315, 78841, 104860, 112630, 157682, 172163, 225260, 315364, 344326, 394205, 688652, 788410, 860815, 1205141, 1576820, 1721630, 2410282, 3443260, 4820564, 6025705, 8435987, 12051410, 16871974, 24102820, 33743948, 42179935, 84359870, 168719740]

約数ペア:

[(1, 168719740), (2, 84359870), (4, 42179935), (5, 33743948), (7, 24102820), (10, 16871974), (14, 12051410), (20, 8435987), (28, 6025705), (35, 4820564), (49, 3443260), (70, 2410282), (98, 1721630), (107, 1576820), (140, 1205141), (196, 860815), (214, 788410), (245, 688652), (428, 394205), (490, 344326), (535, 315364), (749, 225260), (980, 172163), (1070, 157682), (1498, 112630), (1609, 104860), (2140, 78841), (2996, 56315), (3218, 52430), (3745, 45052), (5243, 32180), (6436, 26215), (7490, 22526), (8045, 20972), (10486, 16090), (11263, 14980)]