7898173080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{494873}}^1$

素因数の和:494913

約数の個数: 128

約数和(自身を含む): 28504742400

約数和(自身を除く): 20606569320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 494873, 989746, 1484619, 1979492, 2474365, 2969238, 3464111, 3958984, 4948730, 5938476, 6928222, 7423095, 9402587, 9897460, 10392333, 11876952, 13856444, 14846190, 17320555, 18805174, 19794920, 20784666, 27712888, 28207761, 29692380, 34641110, 37610348, 41569332, 47012935, 51961665, 56415522, 59384760, 65818109, 69282220, 75220696, 83138664, 94025870, 103923330, 112831044, 131636218, 138564440, 141038805, 188051740, 197454327, 207846660, 225662088, 263272436, 282077610, 329090545, 376103480, 394908654, 415693320, 526544872, 564155220, 658181090, 789817308, 987271635, 1128310440, 1316362180, 1579634616, 1974543270, 2632724360, 3949086540, 7898173080]

約数ペア:

[(1, 7898173080), (2, 3949086540), (3, 2632724360), (4, 1974543270), (5, 1579634616), (6, 1316362180), (7, 1128310440), (8, 987271635), (10, 789817308), (12, 658181090), (14, 564155220), (15, 526544872), (19, 415693320), (20, 394908654), (21, 376103480), (24, 329090545), (28, 282077610), (30, 263272436), (35, 225662088), (38, 207846660), (40, 197454327), (42, 188051740), (56, 141038805), (57, 138564440), (60, 131636218), (70, 112831044), (76, 103923330), (84, 94025870), (95, 83138664), (105, 75220696), (114, 69282220), (120, 65818109), (133, 59384760), (140, 56415522), (152, 51961665), (168, 47012935), (190, 41569332), (210, 37610348), (228, 34641110), (266, 29692380), (280, 28207761), (285, 27712888), (380, 20784666), (399, 19794920), (420, 18805174), (456, 17320555), (532, 14846190), (570, 13856444), (665, 11876952), (760, 10392333), (798, 9897460), (840, 9402587), (1064, 7423095), (1140, 6928222), (1330, 5938476), (1596, 4948730), (1995, 3958984), (2280, 3464111), (2660, 2969238), (3192, 2474365), (3990, 1979492), (5320, 1484619), (7980, 989746), (15960, 494873)]