1490750320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{6197}}^1$

素因数の和:6338

約数の個数: 80

約数和(自身を含む): 3615268608

約数和(自身を除く): 2124518288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 310, 388, 485, 496, 620, 776, 970, 1240, 1552, 1940, 2480, 3007, 3880, 6014, 6197, 7760, 12028, 12394, 15035, 24056, 24788, 30070, 30985, 48112, 49576, 60140, 61970, 99152, 120280, 123940, 192107, 240560, 247880, 384214, 495760, 601109, 768428, 960535, 1202218, 1536856, 1921070, 2404436, 3005545, 3073712, 3842140, 4808872, 6011090, 7684280, 9617744, 12022180, 15368560, 18634379, 24044360, 37268758, 48088720, 74537516, 93171895, 149075032, 186343790, 298150064, 372687580, 745375160, 1490750320]

約数ペア:

[(1, 1490750320), (2, 745375160), (4, 372687580), (5, 298150064), (8, 186343790), (10, 149075032), (16, 93171895), (20, 74537516), (31, 48088720), (40, 37268758), (62, 24044360), (80, 18634379), (97, 15368560), (124, 12022180), (155, 9617744), (194, 7684280), (248, 6011090), (310, 4808872), (388, 3842140), (485, 3073712), (496, 3005545), (620, 2404436), (776, 1921070), (970, 1536856), (1240, 1202218), (1552, 960535), (1940, 768428), (2480, 601109), (3007, 495760), (3880, 384214), (6014, 247880), (6197, 240560), (7760, 192107), (12028, 123940), (12394, 120280), (15035, 99152), (24056, 61970), (24788, 60140), (30070, 49576), (30985, 48112)]