1782620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 4653936

約数和(自身を除く): 2871316

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 107, 119, 140, 170, 196, 214, 238, 245, 340, 428, 476, 490, 535, 595, 749, 833, 980, 1070, 1190, 1498, 1666, 1819, 2140, 2380, 2996, 3332, 3638, 3745, 4165, 5243, 7276, 7490, 8330, 9095, 10486, 12733, 14980, 16660, 18190, 20972, 25466, 26215, 36380, 50932, 52430, 63665, 89131, 104860, 127330, 178262, 254660, 356524, 445655, 891310, 1782620]

約数ペア:

[(1, 1782620), (2, 891310), (4, 445655), (5, 356524), (7, 254660), (10, 178262), (14, 127330), (17, 104860), (20, 89131), (28, 63665), (34, 52430), (35, 50932), (49, 36380), (68, 26215), (70, 25466), (85, 20972), (98, 18190), (107, 16660), (119, 14980), (140, 12733), (170, 10486), (196, 9095), (214, 8330), (238, 7490), (245, 7276), (340, 5243), (428, 4165), (476, 3745), (490, 3638), (535, 3332), (595, 2996), (749, 2380), (833, 2140), (980, 1819), (1070, 1666), (1190, 1498)]