388426920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{9437}}^1$

素因数の和:9472

約数の個数: 128

約数和(自身を含む): 1359072000

約数和(自身を除く): 970645080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 8232, 9437, 10290, 13720, 18874, 20580, 28311, 37748, 41160, 47185, 56622, 66059, 75496, 94370, 113244, 132118, 141555, 188740, 198177, 226488, 264236, 283110, 330295, 377480, 396354, 462413, 528472, 566220, 660590, 792708, 924826, 990885, 1132440, 1321180, 1387239, 1585416, 1849652, 1981770, 2312065, 2642360, 2774478, 3236891, 3699304, 3963540, 4624130, 5548956, 6473782, 6936195, 7927080, 9248260, 9710673, 11097912, 12947564, 13872390, 16184455, 18496520, 19421346, 25895128, 27744780, 32368910, 38842692, 48553365, 55489560, 64737820, 77685384, 97106730, 129475640, 194213460, 388426920]

約数ペア:

[(1, 388426920), (2, 194213460), (3, 129475640), (4, 97106730), (5, 77685384), (6, 64737820), (7, 55489560), (8, 48553365), (10, 38842692), (12, 32368910), (14, 27744780), (15, 25895128), (20, 19421346), (21, 18496520), (24, 16184455), (28, 13872390), (30, 12947564), (35, 11097912), (40, 9710673), (42, 9248260), (49, 7927080), (56, 6936195), (60, 6473782), (70, 5548956), (84, 4624130), (98, 3963540), (105, 3699304), (120, 3236891), (140, 2774478), (147, 2642360), (168, 2312065), (196, 1981770), (210, 1849652), (245, 1585416), (280, 1387239), (294, 1321180), (343, 1132440), (392, 990885), (420, 924826), (490, 792708), (588, 660590), (686, 566220), (735, 528472), (840, 462413), (980, 396354), (1029, 377480), (1176, 330295), (1372, 283110), (1470, 264236), (1715, 226488), (1960, 198177), (2058, 188740), (2744, 141555), (2940, 132118), (3430, 113244), (4116, 94370), (5145, 75496), (5880, 66059), (6860, 56622), (8232, 47185), (9437, 41160), (10290, 37748), (13720, 28311), (18874, 20580)]