290800664

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 707097600

約数和(自身を除く): 416296936

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 61, 71, 77, 88, 109, 122, 142, 154, 218, 244, 284, 308, 427, 436, 488, 497, 568, 616, 671, 763, 781, 854, 872, 994, 1199, 1342, 1526, 1562, 1708, 1988, 2398, 2684, 3052, 3124, 3416, 3976, 4331, 4697, 4796, 5368, 5467, 6104, 6248, 6649, 7739, 8393, 8662, 9394, 9592, 10934, 13298, 15478, 16786, 17324, 18788, 21868, 26596, 30317, 30956, 33572, 34648, 37576, 43736, 46543, 47641, 53192, 54173, 60634, 61912, 67144, 73139, 85129, 93086, 95282, 108346, 121268, 146278, 170258, 186172, 190564, 216692, 242536, 292556, 333487, 340516, 372344, 381128, 433384, 472079, 511973, 585112, 595903, 666974, 681032, 944158, 1023946, 1191806, 1333948, 1888316, 2047892, 2383612, 2667896, 3304553, 3776632, 4095784, 4767224, 5192869, 6609106, 10385738, 13218212, 20771476, 26436424, 36350083, 41542952, 72700166, 145400332, 290800664]

約数ペア:

[(1, 290800664), (2, 145400332), (4, 72700166), (7, 41542952), (8, 36350083), (11, 26436424), (14, 20771476), (22, 13218212), (28, 10385738), (44, 6609106), (56, 5192869), (61, 4767224), (71, 4095784), (77, 3776632), (88, 3304553), (109, 2667896), (122, 2383612), (142, 2047892), (154, 1888316), (218, 1333948), (244, 1191806), (284, 1023946), (308, 944158), (427, 681032), (436, 666974), (488, 595903), (497, 585112), (568, 511973), (616, 472079), (671, 433384), (763, 381128), (781, 372344), (854, 340516), (872, 333487), (994, 292556), (1199, 242536), (1342, 216692), (1526, 190564), (1562, 186172), (1708, 170258), (1988, 146278), (2398, 121268), (2684, 108346), (3052, 95282), (3124, 93086), (3416, 85129), (3976, 73139), (4331, 67144), (4697, 61912), (4796, 60634), (5368, 54173), (5467, 53192), (6104, 47641), (6248, 46543), (6649, 43736), (7739, 37576), (8393, 34648), (8662, 33572), (9394, 30956), (9592, 30317), (10934, 26596), (13298, 21868), (15478, 18788), (16786, 17324)]