28843360

素因数分解:

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

素因数の和:325

約数の個数: 144

約数和(自身を含む): 85666896

約数和(自身を除く): 56823536

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 283, 364, 392, 416, 455, 490, 520, 560, 566, 637, 728, 784, 910, 980, 1040, 1120, 1132, 1274, 1415, 1456, 1568, 1820, 1960, 1981, 2080, 2264, 2548, 2830, 2912, 3185, 3640, 3679, 3920, 3962, 4528, 5096, 5660, 6370, 7280, 7358, 7840, 7924, 9056, 9905, 10192, 11320, 12740, 13867, 14560, 14716, 15848, 18395, 19810, 20384, 22640, 25480, 25753, 27734, 29432, 31696, 36790, 39620, 45280, 50960, 51506, 55468, 58864, 63392, 69335, 73580, 79240, 101920, 103012, 110936, 117728, 128765, 138670, 147160, 158480, 180271, 206024, 221872, 257530, 277340, 294320, 316960, 360542, 412048, 443744, 515060, 554680, 588640, 721084, 824096, 901355, 1030120, 1109360, 1442168, 1802710, 2060240, 2218720, 2884336, 3605420, 4120480, 5768672, 7210840, 14421680, 28843360]

約数ペア:

[(1, 28843360), (2, 14421680), (4, 7210840), (5, 5768672), (7, 4120480), (8, 3605420), (10, 2884336), (13, 2218720), (14, 2060240), (16, 1802710), (20, 1442168), (26, 1109360), (28, 1030120), (32, 901355), (35, 824096), (40, 721084), (49, 588640), (52, 554680), (56, 515060), (65, 443744), (70, 412048), (80, 360542), (91, 316960), (98, 294320), (104, 277340), (112, 257530), (130, 221872), (140, 206024), (160, 180271), (182, 158480), (196, 147160), (208, 138670), (224, 128765), (245, 117728), (260, 110936), (280, 103012), (283, 101920), (364, 79240), (392, 73580), (416, 69335), (455, 63392), (490, 58864), (520, 55468), (560, 51506), (566, 50960), (637, 45280), (728, 39620), (784, 36790), (910, 31696), (980, 29432), (1040, 27734), (1120, 25753), (1132, 25480), (1274, 22640), (1415, 20384), (1456, 19810), (1568, 18395), (1820, 15848), (1960, 14716), (1981, 14560), (2080, 13867), (2264, 12740), (2548, 11320), (2830, 10192), (2912, 9905), (3185, 9056), (3640, 7924), (3679, 7840), (3920, 7358), (3962, 7280), (4528, 6370), (5096, 5660)]