140056280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 392515200

約数和(自身を除く): 252458920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 109, 130, 140, 182, 218, 260, 280, 353, 364, 436, 455, 520, 545, 706, 728, 763, 872, 910, 1090, 1412, 1417, 1526, 1765, 1820, 2180, 2471, 2824, 2834, 3052, 3530, 3640, 3815, 4360, 4589, 4942, 5668, 6104, 7060, 7085, 7630, 9178, 9884, 9919, 11336, 12355, 14120, 14170, 15260, 18356, 19768, 19838, 22945, 24710, 28340, 30520, 32123, 36712, 38477, 39676, 45890, 49420, 49595, 56680, 64246, 76954, 79352, 91780, 98840, 99190, 128492, 153908, 160615, 183560, 192385, 198380, 256984, 269339, 307816, 321230, 384770, 396760, 500201, 538678, 642460, 769540, 1000402, 1077356, 1284920, 1346695, 1539080, 2000804, 2154712, 2501005, 2693390, 3501407, 4001608, 5002010, 5386780, 7002814, 10004020, 10773560, 14005628, 17507035, 20008040, 28011256, 35014070, 70028140, 140056280]

約数ペア:

[(1, 140056280), (2, 70028140), (4, 35014070), (5, 28011256), (7, 20008040), (8, 17507035), (10, 14005628), (13, 10773560), (14, 10004020), (20, 7002814), (26, 5386780), (28, 5002010), (35, 4001608), (40, 3501407), (52, 2693390), (56, 2501005), (65, 2154712), (70, 2000804), (91, 1539080), (104, 1346695), (109, 1284920), (130, 1077356), (140, 1000402), (182, 769540), (218, 642460), (260, 538678), (280, 500201), (353, 396760), (364, 384770), (436, 321230), (455, 307816), (520, 269339), (545, 256984), (706, 198380), (728, 192385), (763, 183560), (872, 160615), (910, 153908), (1090, 128492), (1412, 99190), (1417, 98840), (1526, 91780), (1765, 79352), (1820, 76954), (2180, 64246), (2471, 56680), (2824, 49595), (2834, 49420), (3052, 45890), (3530, 39676), (3640, 38477), (3815, 36712), (4360, 32123), (4589, 30520), (4942, 28340), (5668, 24710), (6104, 22945), (7060, 19838), (7085, 19768), (7630, 18356), (9178, 15260), (9884, 14170), (9919, 14120), (11336, 12355)]