31759000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 91728000

約数和(自身を除く): 59969000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 250, 260, 280, 325, 349, 350, 364, 455, 500, 520, 650, 698, 700, 728, 875, 910, 1000, 1300, 1396, 1400, 1625, 1745, 1750, 1820, 2275, 2443, 2600, 2792, 3250, 3490, 3500, 3640, 4537, 4550, 4886, 6500, 6980, 7000, 8725, 9074, 9100, 9772, 11375, 12215, 13000, 13960, 17450, 18148, 18200, 19544, 22685, 22750, 24430, 31759, 34900, 36296, 43625, 45370, 45500, 48860, 61075, 63518, 69800, 87250, 90740, 91000, 97720, 113425, 122150, 127036, 158795, 174500, 181480, 226850, 244300, 254072, 305375, 317590, 349000, 453700, 488600, 567125, 610750, 635180, 793975, 907400, 1134250, 1221500, 1270360, 1587950, 2268500, 2443000, 3175900, 3969875, 4537000, 6351800, 7939750, 15879500, 31759000]

約数ペア:

[(1, 31759000), (2, 15879500), (4, 7939750), (5, 6351800), (7, 4537000), (8, 3969875), (10, 3175900), (13, 2443000), (14, 2268500), (20, 1587950), (25, 1270360), (26, 1221500), (28, 1134250), (35, 907400), (40, 793975), (50, 635180), (52, 610750), (56, 567125), (65, 488600), (70, 453700), (91, 349000), (100, 317590), (104, 305375), (125, 254072), (130, 244300), (140, 226850), (175, 181480), (182, 174500), (200, 158795), (250, 127036), (260, 122150), (280, 113425), (325, 97720), (349, 91000), (350, 90740), (364, 87250), (455, 69800), (500, 63518), (520, 61075), (650, 48860), (698, 45500), (700, 45370), (728, 43625), (875, 36296), (910, 34900), (1000, 31759), (1300, 24430), (1396, 22750), (1400, 22685), (1625, 19544), (1745, 18200), (1750, 18148), (1820, 17450), (2275, 13960), (2443, 13000), (2600, 12215), (2792, 11375), (3250, 9772), (3490, 9100), (3500, 9074), (3640, 8725), (4537, 7000), (4550, 6980), (4886, 6500)]