12478340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 32659200

約数和(自身を除く): 20180860

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, 343, 428, 476, 490, 535, 595, 686, 749, 833, 980, 1070, 1190, 1372, 1498, 1666, 1715, 1819, 2140, 2380, 2996, 3332, 3430, 3638, 3745, 4165, 5243, 5831, 6860, 7276, 7490, 8330, 9095, 10486, 11662, 12733, 14980, 16660, 18190, 20972, 23324, 25466, 26215, 29155, 36380, 36701, 50932, 52430, 58310, 63665, 73402, 89131, 104860, 116620, 127330, 146804, 178262, 183505, 254660, 356524, 367010, 445655, 623917, 734020, 891310, 1247834, 1782620, 2495668, 3119585, 6239170, 12478340]

約数ペア:

[(1, 12478340), (2, 6239170), (4, 3119585), (5, 2495668), (7, 1782620), (10, 1247834), (14, 891310), (17, 734020), (20, 623917), (28, 445655), (34, 367010), (35, 356524), (49, 254660), (68, 183505), (70, 178262), (85, 146804), (98, 127330), (107, 116620), (119, 104860), (140, 89131), (170, 73402), (196, 63665), (214, 58310), (238, 52430), (245, 50932), (340, 36701), (343, 36380), (428, 29155), (476, 26215), (490, 25466), (535, 23324), (595, 20972), (686, 18190), (749, 16660), (833, 14980), (980, 12733), (1070, 11662), (1190, 10486), (1372, 9095), (1498, 8330), (1666, 7490), (1715, 7276), (1819, 6860), (2140, 5831), (2380, 5243), (2996, 4165), (3332, 3745), (3430, 3638)]