290390072

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 674150400

約数和(自身を除く): 383760328

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 127, 133, 152, 196, 254, 266, 307, 392, 508, 532, 614, 889, 931, 1016, 1064, 1228, 1778, 1862, 2149, 2413, 2456, 3556, 3724, 4298, 4826, 5833, 6223, 7112, 7448, 8596, 9652, 11666, 12446, 15043, 16891, 17192, 19304, 23332, 24892, 30086, 33782, 38989, 40831, 46664, 49784, 60172, 67564, 77978, 81662, 118237, 120344, 135128, 155956, 163324, 236474, 272923, 285817, 311912, 326648, 472948, 545846, 571634, 740791, 945896, 1091692, 1143268, 1481582, 1910461, 2183384, 2286536, 2963164, 3820922, 5185537, 5926328, 7641844, 10371074, 15283688, 20742148, 36298759, 41484296, 72597518, 145195036, 290390072]

約数ペア:

[(1, 290390072), (2, 145195036), (4, 72597518), (7, 41484296), (8, 36298759), (14, 20742148), (19, 15283688), (28, 10371074), (38, 7641844), (49, 5926328), (56, 5185537), (76, 3820922), (98, 2963164), (127, 2286536), (133, 2183384), (152, 1910461), (196, 1481582), (254, 1143268), (266, 1091692), (307, 945896), (392, 740791), (508, 571634), (532, 545846), (614, 472948), (889, 326648), (931, 311912), (1016, 285817), (1064, 272923), (1228, 236474), (1778, 163324), (1862, 155956), (2149, 135128), (2413, 120344), (2456, 118237), (3556, 81662), (3724, 77978), (4298, 67564), (4826, 60172), (5833, 49784), (6223, 46664), (7112, 40831), (7448, 38989), (8596, 33782), (9652, 30086), (11666, 24892), (12446, 23332), (15043, 19304), (16891, 17192)]