1389772780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{11987}}^1$

素因数の和:12055

約数の個数: 96

約数和(自身を含む): 3480164352

約数和(自身を除く): 2090391572

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 44, 55, 62, 68, 85, 110, 124, 155, 170, 187, 220, 310, 340, 341, 374, 527, 620, 682, 748, 935, 1054, 1364, 1705, 1870, 2108, 2635, 3410, 3740, 5270, 5797, 6820, 10540, 11594, 11987, 23188, 23974, 28985, 47948, 57970, 59935, 115940, 119870, 131857, 203779, 239740, 263714, 371597, 407558, 527428, 659285, 743194, 815116, 1018895, 1318570, 1486388, 1857985, 2037790, 2241569, 2637140, 3715970, 4075580, 4087567, 4483138, 6317149, 7431940, 8175134, 8966276, 11207845, 12634298, 16350268, 20437835, 22415690, 25268596, 31585745, 40875670, 44831380, 63171490, 69488639, 81751340, 126342980, 138977278, 277954556, 347443195, 694886390, 1389772780]

約数ペア:

[(1, 1389772780), (2, 694886390), (4, 347443195), (5, 277954556), (10, 138977278), (11, 126342980), (17, 81751340), (20, 69488639), (22, 63171490), (31, 44831380), (34, 40875670), (44, 31585745), (55, 25268596), (62, 22415690), (68, 20437835), (85, 16350268), (110, 12634298), (124, 11207845), (155, 8966276), (170, 8175134), (187, 7431940), (220, 6317149), (310, 4483138), (340, 4087567), (341, 4075580), (374, 3715970), (527, 2637140), (620, 2241569), (682, 2037790), (748, 1857985), (935, 1486388), (1054, 1318570), (1364, 1018895), (1705, 815116), (1870, 743194), (2108, 659285), (2635, 527428), (3410, 407558), (3740, 371597), (5270, 263714), (5797, 239740), (6820, 203779), (10540, 131857), (11594, 119870), (11987, 115940), (23188, 59935), (23974, 57970), (28985, 47948)]