280022912

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:584

約数の個数: 128

約数和(自身を含む): 670874400

約数和(自身を除く): 390851488

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 64, 68, 76, 104, 128, 136, 152, 208, 221, 247, 272, 304, 323, 416, 442, 494, 521, 544, 608, 646, 832, 884, 988, 1042, 1088, 1216, 1292, 1664, 1768, 1976, 2084, 2176, 2432, 2584, 3536, 3952, 4168, 4199, 5168, 6773, 7072, 7904, 8336, 8398, 8857, 9899, 10336, 13546, 14144, 15808, 16672, 16796, 17714, 19798, 20672, 27092, 28288, 31616, 33344, 33592, 35428, 39596, 41344, 54184, 66688, 67184, 70856, 79192, 108368, 115141, 128687, 134368, 141712, 158384, 168283, 216736, 230282, 257374, 268736, 283424, 316768, 336566, 433472, 460564, 514748, 537472, 566848, 633536, 673132, 866944, 921128, 1029496, 1133696, 1267072, 1346264, 1842256, 2058992, 2187679, 2692528, 3684512, 4117984, 4375358, 5385056, 7369024, 8235968, 8750716, 10770112, 14738048, 16471936, 17501432, 21540224, 35002864, 70005728, 140011456, 280022912]

約数ペア:

[(1, 280022912), (2, 140011456), (4, 70005728), (8, 35002864), (13, 21540224), (16, 17501432), (17, 16471936), (19, 14738048), (26, 10770112), (32, 8750716), (34, 8235968), (38, 7369024), (52, 5385056), (64, 4375358), (68, 4117984), (76, 3684512), (104, 2692528), (128, 2187679), (136, 2058992), (152, 1842256), (208, 1346264), (221, 1267072), (247, 1133696), (272, 1029496), (304, 921128), (323, 866944), (416, 673132), (442, 633536), (494, 566848), (521, 537472), (544, 514748), (608, 460564), (646, 433472), (832, 336566), (884, 316768), (988, 283424), (1042, 268736), (1088, 257374), (1216, 230282), (1292, 216736), (1664, 168283), (1768, 158384), (1976, 141712), (2084, 134368), (2176, 128687), (2432, 115141), (2584, 108368), (3536, 79192), (3952, 70856), (4168, 67184), (4199, 66688), (5168, 54184), (6773, 41344), (7072, 39596), (7904, 35428), (8336, 33592), (8398, 33344), (8857, 31616), (9899, 28288), (10336, 27092), (13546, 20672), (14144, 19798), (15808, 17714), (16672, 16796)]