2138647940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43987}}^1$

素因数の和:44037

約数の個数: 96

約数和(自身を含む): 5586827904

約数和(自身を除く): 3448179964

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 170, 187, 220, 221, 260, 286, 340, 374, 442, 572, 715, 748, 884, 935, 1105, 1430, 1870, 2210, 2431, 2860, 3740, 4420, 4862, 9724, 12155, 24310, 43987, 48620, 87974, 175948, 219935, 439870, 483857, 571831, 747779, 879740, 967714, 1143662, 1495558, 1935428, 2287324, 2419285, 2859155, 2991116, 3738895, 4838570, 5718310, 6290141, 7477790, 8225569, 9677140, 9721127, 11436620, 12580282, 14955580, 16451138, 19442254, 25160564, 31450705, 32902276, 38884508, 41127845, 48605635, 62901410, 82255690, 97211270, 106932397, 125802820, 164511380, 194422540, 213864794, 427729588, 534661985, 1069323970, 2138647940]

約数ペア:

[(1, 2138647940), (2, 1069323970), (4, 534661985), (5, 427729588), (10, 213864794), (11, 194422540), (13, 164511380), (17, 125802820), (20, 106932397), (22, 97211270), (26, 82255690), (34, 62901410), (44, 48605635), (52, 41127845), (55, 38884508), (65, 32902276), (68, 31450705), (85, 25160564), (110, 19442254), (130, 16451138), (143, 14955580), (170, 12580282), (187, 11436620), (220, 9721127), (221, 9677140), (260, 8225569), (286, 7477790), (340, 6290141), (374, 5718310), (442, 4838570), (572, 3738895), (715, 2991116), (748, 2859155), (884, 2419285), (935, 2287324), (1105, 1935428), (1430, 1495558), (1870, 1143662), (2210, 967714), (2431, 879740), (2860, 747779), (3740, 571831), (4420, 483857), (4862, 439870), (9724, 219935), (12155, 175948), (24310, 87974), (43987, 48620)]