289756880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:277

約数の個数: 160

約数和(自身を含む): 801377280

約数和(自身を除く): 511620400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 101, 109, 112, 140, 188, 202, 218, 235, 280, 329, 376, 404, 436, 470, 505, 545, 560, 658, 707, 752, 763, 808, 872, 940, 1010, 1090, 1316, 1414, 1526, 1616, 1645, 1744, 1880, 2020, 2180, 2632, 2828, 3052, 3290, 3535, 3760, 3815, 4040, 4360, 4747, 5123, 5264, 5656, 6104, 6580, 7070, 7630, 8080, 8720, 9494, 10246, 11009, 11312, 12208, 13160, 14140, 15260, 18988, 20492, 22018, 23735, 25615, 26320, 28280, 30520, 33229, 35861, 37976, 40984, 44036, 47470, 51230, 55045, 56560, 61040, 66458, 71722, 75952, 77063, 81968, 88072, 94940, 102460, 110090, 132916, 143444, 154126, 166145, 176144, 179305, 189880, 204920, 220180, 265832, 286888, 308252, 332290, 358610, 379760, 385315, 409840, 440360, 517423, 531664, 573776, 616504, 664580, 717220, 770630, 880720, 1034846, 1233008, 1329160, 1434440, 1541260, 2069692, 2587115, 2658320, 2868880, 3082520, 3621961, 4139384, 5174230, 6165040, 7243922, 8278768, 10348460, 14487844, 18109805, 20696920, 28975688, 36219610, 41393840, 57951376, 72439220, 144878440, 289756880]

約数ペア:

[(1, 289756880), (2, 144878440), (4, 72439220), (5, 57951376), (7, 41393840), (8, 36219610), (10, 28975688), (14, 20696920), (16, 18109805), (20, 14487844), (28, 10348460), (35, 8278768), (40, 7243922), (47, 6165040), (56, 5174230), (70, 4139384), (80, 3621961), (94, 3082520), (101, 2868880), (109, 2658320), (112, 2587115), (140, 2069692), (188, 1541260), (202, 1434440), (218, 1329160), (235, 1233008), (280, 1034846), (329, 880720), (376, 770630), (404, 717220), (436, 664580), (470, 616504), (505, 573776), (545, 531664), (560, 517423), (658, 440360), (707, 409840), (752, 385315), (763, 379760), (808, 358610), (872, 332290), (940, 308252), (1010, 286888), (1090, 265832), (1316, 220180), (1414, 204920), (1526, 189880), (1616, 179305), (1645, 176144), (1744, 166145), (1880, 154126), (2020, 143444), (2180, 132916), (2632, 110090), (2828, 102460), (3052, 94940), (3290, 88072), (3535, 81968), (3760, 77063), (3815, 75952), (4040, 71722), (4360, 66458), (4747, 61040), (5123, 56560), (5264, 55045), (5656, 51230), (6104, 47470), (6580, 44036), (7070, 40984), (7630, 37976), (8080, 35861), (8720, 33229), (9494, 30520), (10246, 28280), (11009, 26320), (11312, 25615), (12208, 23735), (13160, 22018), (14140, 20492), (15260, 18988)]