994354360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{30427}}^1$

素因数の和:30500

約数の個数: 64

約数和(自身を含む): 2409897600

約数和(自身を除く): 1415543240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 16340, 30427, 32680, 60854, 121708, 152135, 243416, 304270, 578113, 608540, 1156226, 1217080, 1308361, 2312452, 2616722, 2890565, 4624904, 5233444, 5781130, 6541805, 10466888, 11562260, 13083610, 23124520, 24858859, 26167220, 49717718, 52334440, 99435436, 124294295, 198870872, 248588590, 497177180, 994354360]

約数ペア:

[(1, 994354360), (2, 497177180), (4, 248588590), (5, 198870872), (8, 124294295), (10, 99435436), (19, 52334440), (20, 49717718), (38, 26167220), (40, 24858859), (43, 23124520), (76, 13083610), (86, 11562260), (95, 10466888), (152, 6541805), (172, 5781130), (190, 5233444), (215, 4624904), (344, 2890565), (380, 2616722), (430, 2312452), (760, 1308361), (817, 1217080), (860, 1156226), (1634, 608540), (1720, 578113), (3268, 304270), (4085, 243416), (6536, 152135), (8170, 121708), (16340, 60854), (30427, 32680)]