208198720

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:300

約数の個数: 112

約数和(自身を含む): 514990080

約数和(自身を除く): 306791360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 109, 127, 160, 188, 218, 235, 254, 320, 376, 436, 470, 508, 545, 635, 752, 872, 940, 1016, 1090, 1270, 1504, 1744, 1880, 2032, 2180, 2540, 3008, 3488, 3760, 4064, 4360, 5080, 5123, 5969, 6976, 7520, 8128, 8720, 10160, 10246, 11938, 13843, 15040, 17440, 20320, 20492, 23876, 25615, 27686, 29845, 34880, 40640, 40984, 47752, 51230, 55372, 59690, 69215, 81968, 95504, 102460, 110744, 119380, 138430, 163936, 191008, 204920, 221488, 238760, 276860, 327872, 382016, 409840, 442976, 477520, 553720, 650621, 819680, 885952, 955040, 1107440, 1301242, 1639360, 1910080, 2214880, 2602484, 3253105, 4429760, 5204968, 6506210, 10409936, 13012420, 20819872, 26024840, 41639744, 52049680, 104099360, 208198720]

約数ペア:

[(1, 208198720), (2, 104099360), (4, 52049680), (5, 41639744), (8, 26024840), (10, 20819872), (16, 13012420), (20, 10409936), (32, 6506210), (40, 5204968), (47, 4429760), (64, 3253105), (80, 2602484), (94, 2214880), (109, 1910080), (127, 1639360), (160, 1301242), (188, 1107440), (218, 955040), (235, 885952), (254, 819680), (320, 650621), (376, 553720), (436, 477520), (470, 442976), (508, 409840), (545, 382016), (635, 327872), (752, 276860), (872, 238760), (940, 221488), (1016, 204920), (1090, 191008), (1270, 163936), (1504, 138430), (1744, 119380), (1880, 110744), (2032, 102460), (2180, 95504), (2540, 81968), (3008, 69215), (3488, 59690), (3760, 55372), (4064, 51230), (4360, 47752), (5080, 40984), (5123, 40640), (5969, 34880), (6976, 29845), (7520, 27686), (8128, 25615), (8720, 23876), (10160, 20492), (10246, 20320), (11938, 17440), (13843, 15040)]