208597760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 590241792

約数和(自身を除く): 381644032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 751, 868, 896, 992, 1085, 1120, 1240, 1280, 1502, 1736, 1792, 1984, 2170, 2240, 2480, 3004, 3472, 3755, 3968, 4340, 4480, 4960, 5257, 6008, 6944, 7510, 7936, 8680, 8960, 9920, 10514, 12016, 13888, 15020, 17360, 19840, 21028, 23281, 24032, 26285, 27776, 30040, 34720, 39680, 42056, 46562, 48064, 52570, 55552, 60080, 69440, 84112, 93124, 96128, 105140, 116405, 120160, 138880, 162967, 168224, 186248, 192256, 210280, 232810, 240320, 277760, 325934, 336448, 372496, 420560, 465620, 480640, 651868, 672896, 744992, 814835, 841120, 931240, 961280, 1303736, 1345792, 1489984, 1629670, 1682240, 1862480, 2607472, 2979968, 3259340, 3364480, 3724960, 5214944, 5959936, 6518680, 6728960, 7449920, 10429888, 13037360, 14899840, 20859776, 26074720, 29799680, 41719552, 52149440, 104298880, 208597760]

約数ペア:

[(1, 208597760), (2, 104298880), (4, 52149440), (5, 41719552), (7, 29799680), (8, 26074720), (10, 20859776), (14, 14899840), (16, 13037360), (20, 10429888), (28, 7449920), (31, 6728960), (32, 6518680), (35, 5959936), (40, 5214944), (56, 3724960), (62, 3364480), (64, 3259340), (70, 2979968), (80, 2607472), (112, 1862480), (124, 1682240), (128, 1629670), (140, 1489984), (155, 1345792), (160, 1303736), (217, 961280), (224, 931240), (248, 841120), (256, 814835), (280, 744992), (310, 672896), (320, 651868), (434, 480640), (448, 465620), (496, 420560), (560, 372496), (620, 336448), (640, 325934), (751, 277760), (868, 240320), (896, 232810), (992, 210280), (1085, 192256), (1120, 186248), (1240, 168224), (1280, 162967), (1502, 138880), (1736, 120160), (1792, 116405), (1984, 105140), (2170, 96128), (2240, 93124), (2480, 84112), (3004, 69440), (3472, 60080), (3755, 55552), (3968, 52570), (4340, 48064), (4480, 46562), (4960, 42056), (5257, 39680), (6008, 34720), (6944, 30040), (7510, 27776), (7936, 26285), (8680, 24032), (8960, 23281), (9920, 21028), (10514, 19840), (12016, 17360), (13888, 15020)]