128903250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:641

約数の個数: 128

約数和(自身を含む): 376915968

約数和(自身を除く): 248012718

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 43, 50, 70, 75, 86, 105, 125, 129, 150, 175, 210, 215, 250, 258, 301, 350, 375, 430, 525, 571, 602, 645, 750, 875, 903, 1050, 1075, 1142, 1290, 1505, 1713, 1750, 1806, 2150, 2625, 2855, 3010, 3225, 3426, 3997, 4515, 5250, 5375, 5710, 6450, 7525, 7994, 8565, 9030, 10750, 11991, 14275, 15050, 16125, 17130, 19985, 22575, 23982, 24553, 28550, 32250, 37625, 39970, 42825, 45150, 49106, 59955, 71375, 73659, 75250, 85650, 99925, 112875, 119910, 122765, 142750, 147318, 171871, 199850, 214125, 225750, 245530, 299775, 343742, 368295, 428250, 499625, 515613, 599550, 613825, 736590, 859355, 999250, 1031226, 1227650, 1498875, 1718710, 1841475, 2578065, 2997750, 3069125, 3682950, 4296775, 5156130, 6138250, 8593550, 9207375, 12890325, 18414750, 21483875, 25780650, 42967750, 64451625, 128903250]

約数ペア:

[(1, 128903250), (2, 64451625), (3, 42967750), (5, 25780650), (6, 21483875), (7, 18414750), (10, 12890325), (14, 9207375), (15, 8593550), (21, 6138250), (25, 5156130), (30, 4296775), (35, 3682950), (42, 3069125), (43, 2997750), (50, 2578065), (70, 1841475), (75, 1718710), (86, 1498875), (105, 1227650), (125, 1031226), (129, 999250), (150, 859355), (175, 736590), (210, 613825), (215, 599550), (250, 515613), (258, 499625), (301, 428250), (350, 368295), (375, 343742), (430, 299775), (525, 245530), (571, 225750), (602, 214125), (645, 199850), (750, 171871), (875, 147318), (903, 142750), (1050, 122765), (1075, 119910), (1142, 112875), (1290, 99925), (1505, 85650), (1713, 75250), (1750, 73659), (1806, 71375), (2150, 59955), (2625, 49106), (2855, 45150), (3010, 42825), (3225, 39970), (3426, 37625), (3997, 32250), (4515, 28550), (5250, 24553), (5375, 23982), (5710, 22575), (6450, 19985), (7525, 17130), (7994, 16125), (8565, 15050), (9030, 14275), (10750, 11991)]