398360965120

素因数分解:

$2^{12}\times 5^1\times {\mathrm{739}}^1\times {\mathrm{26321}}^1$

素因数の和:27089

約数の個数: 104

約数和(自身を含む): 957279548880

約数和(自身を除く): 558918583760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 739, 1024, 1280, 1478, 2048, 2560, 2956, 3695, 4096, 5120, 5912, 7390, 10240, 11824, 14780, 20480, 23648, 26321, 29560, 47296, 52642, 59120, 94592, 105284, 118240, 131605, 189184, 210568, 236480, 263210, 378368, 421136, 472960, 526420, 756736, 842272, 945920, 1052840, 1513472, 1684544, 1891840, 2105680, 3026944, 3369088, 3783680, 4211360, 6738176, 7567360, 8422720, 13476352, 15134720, 16845440, 19451219, 26952704, 33690880, 38902438, 53905408, 67381760, 77804876, 97256095, 107810816, 134763520, 155609752, 194512190, 269527040, 311219504, 389024380, 539054080, 622439008, 778048760, 1244878016, 1556097520, 2489756032, 3112195040, 4979512064, 6224390080, 9959024128, 12448780160, 19918048256, 24897560320, 39836096512, 49795120640, 79672193024, 99590241280, 199180482560, 398360965120]

約数ペア:

[(1, 398360965120), (2, 199180482560), (4, 99590241280), (5, 79672193024), (8, 49795120640), (10, 39836096512), (16, 24897560320), (20, 19918048256), (32, 12448780160), (40, 9959024128), (64, 6224390080), (80, 4979512064), (128, 3112195040), (160, 2489756032), (256, 1556097520), (320, 1244878016), (512, 778048760), (640, 622439008), (739, 539054080), (1024, 389024380), (1280, 311219504), (1478, 269527040), (2048, 194512190), (2560, 155609752), (2956, 134763520), (3695, 107810816), (4096, 97256095), (5120, 77804876), (5912, 67381760), (7390, 53905408), (10240, 38902438), (11824, 33690880), (14780, 26952704), (20480, 19451219), (23648, 16845440), (26321, 15134720), (29560, 13476352), (47296, 8422720), (52642, 7567360), (59120, 6738176), (94592, 4211360), (105284, 3783680), (118240, 3369088), (131605, 3026944), (189184, 2105680), (210568, 1891840), (236480, 1684544), (263210, 1513472), (378368, 1052840), (421136, 945920), (472960, 842272), (526420, 756736)]