215812212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1302

約数の個数: 144

約数和(自身を含む): 670320000

約数和(自身を除く): 454507788

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 33, 34, 42, 44, 51, 66, 68, 77, 84, 102, 119, 121, 132, 154, 187, 204, 231, 238, 242, 308, 357, 363, 374, 462, 476, 484, 561, 714, 726, 748, 847, 924, 1122, 1249, 1309, 1428, 1452, 1694, 2057, 2244, 2498, 2541, 2618, 3388, 3747, 3927, 4114, 4996, 5082, 5236, 6171, 7494, 7854, 8228, 8743, 10164, 12342, 13739, 14399, 14988, 15708, 17486, 21233, 24684, 26229, 27478, 28798, 34972, 41217, 42466, 43197, 52458, 54956, 57596, 63699, 82434, 84932, 86394, 96173, 104916, 127398, 148631, 151129, 164868, 172788, 192346, 233563, 254796, 288519, 297262, 302258, 384692, 445893, 453387, 467126, 577038, 594524, 604516, 700689, 891786, 906774, 934252, 1057903, 1154076, 1401378, 1634941, 1783572, 1813548, 2115806, 2569193, 2802756, 3173709, 3269882, 4231612, 4904823, 5138386, 6347418, 6539764, 7707579, 9809646, 10276772, 12694836, 15415158, 17984351, 19619292, 30830316, 35968702, 53953053, 71937404, 107906106, 215812212]

約数ペア:

[(1, 215812212), (2, 107906106), (3, 71937404), (4, 53953053), (6, 35968702), (7, 30830316), (11, 19619292), (12, 17984351), (14, 15415158), (17, 12694836), (21, 10276772), (22, 9809646), (28, 7707579), (33, 6539764), (34, 6347418), (42, 5138386), (44, 4904823), (51, 4231612), (66, 3269882), (68, 3173709), (77, 2802756), (84, 2569193), (102, 2115806), (119, 1813548), (121, 1783572), (132, 1634941), (154, 1401378), (187, 1154076), (204, 1057903), (231, 934252), (238, 906774), (242, 891786), (308, 700689), (357, 604516), (363, 594524), (374, 577038), (462, 467126), (476, 453387), (484, 445893), (561, 384692), (714, 302258), (726, 297262), (748, 288519), (847, 254796), (924, 233563), (1122, 192346), (1249, 172788), (1309, 164868), (1428, 151129), (1452, 148631), (1694, 127398), (2057, 104916), (2244, 96173), (2498, 86394), (2541, 84932), (2618, 82434), (3388, 63699), (3747, 57596), (3927, 54956), (4114, 52458), (4996, 43197), (5082, 42466), (5236, 41217), (6171, 34972), (7494, 28798), (7854, 27478), (8228, 26229), (8743, 24684), (10164, 21233), (12342, 17486), (13739, 15708), (14399, 14988)]