28270404

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1$

素因数の和:654

約数の個数: 96

約数和(自身を含む): 80640000

約数和(自身を除く): 52369596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 46, 54, 57, 69, 76, 92, 108, 114, 138, 171, 207, 228, 276, 342, 414, 437, 513, 599, 621, 684, 828, 874, 1026, 1198, 1242, 1311, 1748, 1797, 2052, 2396, 2484, 2622, 3594, 3933, 5244, 5391, 7188, 7866, 10782, 11381, 11799, 13777, 15732, 16173, 21564, 22762, 23598, 27554, 32346, 34143, 41331, 45524, 47196, 55108, 64692, 68286, 82662, 102429, 123993, 136572, 165324, 204858, 247986, 261763, 307287, 371979, 409716, 495972, 523526, 614574, 743958, 785289, 1047052, 1229148, 1487916, 1570578, 2355867, 3141156, 4711734, 7067601, 9423468, 14135202, 28270404]

約数ペア:

[(1, 28270404), (2, 14135202), (3, 9423468), (4, 7067601), (6, 4711734), (9, 3141156), (12, 2355867), (18, 1570578), (19, 1487916), (23, 1229148), (27, 1047052), (36, 785289), (38, 743958), (46, 614574), (54, 523526), (57, 495972), (69, 409716), (76, 371979), (92, 307287), (108, 261763), (114, 247986), (138, 204858), (171, 165324), (207, 136572), (228, 123993), (276, 102429), (342, 82662), (414, 68286), (437, 64692), (513, 55108), (599, 47196), (621, 45524), (684, 41331), (828, 34143), (874, 32346), (1026, 27554), (1198, 23598), (1242, 22762), (1311, 21564), (1748, 16173), (1797, 15732), (2052, 13777), (2396, 11799), (2484, 11381), (2622, 10782), (3594, 7866), (3933, 7188), (5244, 5391)]