38940440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 111974400

約数和(自身を除く): 73033960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 88, 94, 110, 140, 154, 188, 220, 235, 269, 280, 308, 329, 376, 385, 440, 470, 517, 538, 616, 658, 770, 940, 1034, 1076, 1316, 1345, 1540, 1645, 1880, 1883, 2068, 2152, 2585, 2632, 2690, 2959, 3080, 3290, 3619, 3766, 4136, 5170, 5380, 5918, 6580, 7238, 7532, 9415, 10340, 10760, 11836, 12643, 13160, 14476, 14795, 15064, 18095, 18830, 20680, 20713, 23672, 25286, 28952, 29590, 36190, 37660, 41426, 50572, 59180, 63215, 72380, 75320, 82852, 88501, 101144, 103565, 118360, 126430, 139073, 144760, 165704, 177002, 207130, 252860, 278146, 354004, 414260, 442505, 505720, 556292, 695365, 708008, 828520, 885010, 973511, 1112584, 1390730, 1770020, 1947022, 2781460, 3540040, 3894044, 4867555, 5562920, 7788088, 9735110, 19470220, 38940440]

約数ペア:

[(1, 38940440), (2, 19470220), (4, 9735110), (5, 7788088), (7, 5562920), (8, 4867555), (10, 3894044), (11, 3540040), (14, 2781460), (20, 1947022), (22, 1770020), (28, 1390730), (35, 1112584), (40, 973511), (44, 885010), (47, 828520), (55, 708008), (56, 695365), (70, 556292), (77, 505720), (88, 442505), (94, 414260), (110, 354004), (140, 278146), (154, 252860), (188, 207130), (220, 177002), (235, 165704), (269, 144760), (280, 139073), (308, 126430), (329, 118360), (376, 103565), (385, 101144), (440, 88501), (470, 82852), (517, 75320), (538, 72380), (616, 63215), (658, 59180), (770, 50572), (940, 41426), (1034, 37660), (1076, 36190), (1316, 29590), (1345, 28952), (1540, 25286), (1645, 23672), (1880, 20713), (1883, 20680), (2068, 18830), (2152, 18095), (2585, 15064), (2632, 14795), (2690, 14476), (2959, 13160), (3080, 12643), (3290, 11836), (3619, 10760), (3766, 10340), (4136, 9415), (5170, 7532), (5380, 7238), (5918, 6580)]