680006500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2039}}^1$

素因数の和:2110

約数の個数: 96

約数和(自身を含む): 1603929600

約数和(自身を除く): 923923100

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 29, 46, 50, 58, 92, 100, 115, 116, 125, 145, 230, 250, 290, 460, 500, 575, 580, 667, 725, 1150, 1334, 1450, 2039, 2300, 2668, 2875, 2900, 3335, 3625, 4078, 5750, 6670, 7250, 8156, 10195, 11500, 13340, 14500, 16675, 20390, 33350, 40780, 46897, 50975, 59131, 66700, 83375, 93794, 101950, 118262, 166750, 187588, 203900, 234485, 236524, 254875, 295655, 333500, 468970, 509750, 591310, 937940, 1019500, 1172425, 1182620, 1360013, 1478275, 2344850, 2720026, 2956550, 4689700, 5440052, 5862125, 5913100, 6800065, 7391375, 11724250, 13600130, 14782750, 23448500, 27200260, 29565500, 34000325, 68000650, 136001300, 170001625, 340003250, 680006500]

約数ペア:

[(1, 680006500), (2, 340003250), (4, 170001625), (5, 136001300), (10, 68000650), (20, 34000325), (23, 29565500), (25, 27200260), (29, 23448500), (46, 14782750), (50, 13600130), (58, 11724250), (92, 7391375), (100, 6800065), (115, 5913100), (116, 5862125), (125, 5440052), (145, 4689700), (230, 2956550), (250, 2720026), (290, 2344850), (460, 1478275), (500, 1360013), (575, 1182620), (580, 1172425), (667, 1019500), (725, 937940), (1150, 591310), (1334, 509750), (1450, 468970), (2039, 333500), (2300, 295655), (2668, 254875), (2875, 236524), (2900, 234485), (3335, 203900), (3625, 187588), (4078, 166750), (5750, 118262), (6670, 101950), (7250, 93794), (8156, 83375), (10195, 66700), (11500, 59131), (13340, 50975), (14500, 46897), (16675, 40780), (20390, 33350)]