254384768

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 128

約数和(自身を含む): 600004800

約数和(自身を除く): 345620032

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 37, 38, 44, 64, 74, 76, 88, 128, 148, 152, 176, 209, 257, 296, 304, 352, 407, 418, 514, 592, 608, 703, 704, 814, 836, 1028, 1184, 1216, 1406, 1408, 1628, 1672, 2056, 2368, 2432, 2812, 2827, 3256, 3344, 4112, 4736, 4883, 5624, 5654, 6512, 6688, 7733, 8224, 9509, 9766, 11248, 11308, 13024, 13376, 15466, 16448, 19018, 19532, 22496, 22616, 26048, 26752, 30932, 32896, 38036, 39064, 44992, 45232, 52096, 53713, 61864, 76072, 78128, 89984, 90464, 104599, 107426, 123728, 152144, 156256, 180671, 180928, 209198, 214852, 247456, 304288, 312512, 361342, 361856, 418396, 429704, 494912, 608576, 625024, 722684, 836792, 859408, 989824, 1217152, 1445368, 1673584, 1718816, 1987381, 2890736, 3347168, 3437632, 3974762, 5781472, 6694336, 6875264, 7949524, 11562944, 13388672, 15899048, 23125888, 31798096, 63596192, 127192384, 254384768]

約数ペア:

[(1, 254384768), (2, 127192384), (4, 63596192), (8, 31798096), (11, 23125888), (16, 15899048), (19, 13388672), (22, 11562944), (32, 7949524), (37, 6875264), (38, 6694336), (44, 5781472), (64, 3974762), (74, 3437632), (76, 3347168), (88, 2890736), (128, 1987381), (148, 1718816), (152, 1673584), (176, 1445368), (209, 1217152), (257, 989824), (296, 859408), (304, 836792), (352, 722684), (407, 625024), (418, 608576), (514, 494912), (592, 429704), (608, 418396), (703, 361856), (704, 361342), (814, 312512), (836, 304288), (1028, 247456), (1184, 214852), (1216, 209198), (1406, 180928), (1408, 180671), (1628, 156256), (1672, 152144), (2056, 123728), (2368, 107426), (2432, 104599), (2812, 90464), (2827, 89984), (3256, 78128), (3344, 76072), (4112, 61864), (4736, 53713), (4883, 52096), (5624, 45232), (5654, 44992), (6512, 39064), (6688, 38036), (7733, 32896), (8224, 30932), (9509, 26752), (9766, 26048), (11248, 22616), (11308, 22496), (13024, 19532), (13376, 19018), (15466, 16448)]