387435880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1549}}^1$

素因数の和:1623

約数の個数: 96

約数和(自身を含む): 970083000

約数和(自身を除く): 582647120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 169, 185, 260, 296, 338, 370, 481, 520, 676, 740, 845, 962, 1352, 1480, 1549, 1690, 1924, 2405, 3098, 3380, 3848, 4810, 6196, 6253, 6760, 7745, 9620, 12392, 12506, 15490, 19240, 20137, 25012, 30980, 31265, 40274, 50024, 57313, 61960, 62530, 80548, 100685, 114626, 125060, 161096, 201370, 229252, 250120, 261781, 286565, 402740, 458504, 523562, 573130, 745069, 805480, 1047124, 1146260, 1308905, 1490138, 2094248, 2292520, 2617810, 2980276, 3725345, 5235620, 5960552, 7450690, 9685897, 10471240, 14901380, 19371794, 29802760, 38743588, 48429485, 77487176, 96858970, 193717940, 387435880]

約数ペア:

[(1, 387435880), (2, 193717940), (4, 96858970), (5, 77487176), (8, 48429485), (10, 38743588), (13, 29802760), (20, 19371794), (26, 14901380), (37, 10471240), (40, 9685897), (52, 7450690), (65, 5960552), (74, 5235620), (104, 3725345), (130, 2980276), (148, 2617810), (169, 2292520), (185, 2094248), (260, 1490138), (296, 1308905), (338, 1146260), (370, 1047124), (481, 805480), (520, 745069), (676, 573130), (740, 523562), (845, 458504), (962, 402740), (1352, 286565), (1480, 261781), (1549, 250120), (1690, 229252), (1924, 201370), (2405, 161096), (3098, 125060), (3380, 114626), (3848, 100685), (4810, 80548), (6196, 62530), (6253, 61960), (6760, 57313), (7745, 50024), (9620, 40274), (12392, 31265), (12506, 30980), (15490, 25012), (19240, 20137)]