214917920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:455

約数の個数: 144

約数和(自身を含む): 599840640

約数和(自身を除く): 384922720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 160, 196, 224, 245, 280, 316, 347, 392, 395, 490, 553, 560, 632, 694, 784, 790, 980, 1106, 1120, 1264, 1388, 1568, 1580, 1735, 1960, 2212, 2429, 2528, 2765, 2776, 3160, 3470, 3871, 3920, 4424, 4858, 5530, 5552, 6320, 6940, 7742, 7840, 8848, 9716, 11060, 11104, 12145, 12640, 13880, 15484, 17003, 17696, 19355, 19432, 22120, 24290, 27413, 27760, 30968, 34006, 38710, 38864, 44240, 48580, 54826, 55520, 61936, 68012, 77420, 77728, 85015, 88480, 97160, 109652, 123872, 136024, 137065, 154840, 170030, 191891, 194320, 219304, 272048, 274130, 309680, 340060, 383782, 388640, 438608, 544096, 548260, 619360, 680120, 767564, 877216, 959455, 1096520, 1343237, 1360240, 1535128, 1918910, 2193040, 2686474, 2720480, 3070256, 3837820, 4386080, 5372948, 6140512, 6716185, 7675640, 10745896, 13432370, 15351280, 21491792, 26864740, 30702560, 42983584, 53729480, 107458960, 214917920]

約数ペア:

[(1, 214917920), (2, 107458960), (4, 53729480), (5, 42983584), (7, 30702560), (8, 26864740), (10, 21491792), (14, 15351280), (16, 13432370), (20, 10745896), (28, 7675640), (32, 6716185), (35, 6140512), (40, 5372948), (49, 4386080), (56, 3837820), (70, 3070256), (79, 2720480), (80, 2686474), (98, 2193040), (112, 1918910), (140, 1535128), (158, 1360240), (160, 1343237), (196, 1096520), (224, 959455), (245, 877216), (280, 767564), (316, 680120), (347, 619360), (392, 548260), (395, 544096), (490, 438608), (553, 388640), (560, 383782), (632, 340060), (694, 309680), (784, 274130), (790, 272048), (980, 219304), (1106, 194320), (1120, 191891), (1264, 170030), (1388, 154840), (1568, 137065), (1580, 136024), (1735, 123872), (1960, 109652), (2212, 97160), (2429, 88480), (2528, 85015), (2765, 77728), (2776, 77420), (3160, 68012), (3470, 61936), (3871, 55520), (3920, 54826), (4424, 48580), (4858, 44240), (5530, 38864), (5552, 38710), (6320, 34006), (6940, 30968), (7742, 27760), (7840, 27413), (8848, 24290), (9716, 22120), (11060, 19432), (11104, 19355), (12145, 17696), (12640, 17003), (13880, 15484)]