7210840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 20396880

約数和(自身を除く): 13186040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 283, 364, 392, 455, 490, 520, 566, 637, 728, 910, 980, 1132, 1274, 1415, 1820, 1960, 1981, 2264, 2548, 2830, 3185, 3640, 3679, 3962, 5096, 5660, 6370, 7358, 7924, 9905, 11320, 12740, 13867, 14716, 15848, 18395, 19810, 25480, 25753, 27734, 29432, 36790, 39620, 51506, 55468, 69335, 73580, 79240, 103012, 110936, 128765, 138670, 147160, 180271, 206024, 257530, 277340, 360542, 515060, 554680, 721084, 901355, 1030120, 1442168, 1802710, 3605420, 7210840]

約数ペア:

[(1, 7210840), (2, 3605420), (4, 1802710), (5, 1442168), (7, 1030120), (8, 901355), (10, 721084), (13, 554680), (14, 515060), (20, 360542), (26, 277340), (28, 257530), (35, 206024), (40, 180271), (49, 147160), (52, 138670), (56, 128765), (65, 110936), (70, 103012), (91, 79240), (98, 73580), (104, 69335), (130, 55468), (140, 51506), (182, 39620), (196, 36790), (245, 29432), (260, 27734), (280, 25753), (283, 25480), (364, 19810), (392, 18395), (455, 15848), (490, 14716), (520, 13867), (566, 12740), (637, 11320), (728, 9905), (910, 7924), (980, 7358), (1132, 6370), (1274, 5660), (1415, 5096), (1820, 3962), (1960, 3679), (1981, 3640), (2264, 3185), (2548, 2830)]