251902040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5443}}^1$

素因数の和:5556

約数の個数: 64

約数和(自身を含む): 617349600

約数和(自身を除く): 365447560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1780, 2314, 3560, 4628, 5443, 5785, 9256, 10886, 11570, 21772, 23140, 27215, 43544, 46280, 54430, 70759, 108860, 141518, 217720, 283036, 353795, 484427, 566072, 707590, 968854, 1415180, 1937708, 2422135, 2830360, 3875416, 4844270, 6297551, 9688540, 12595102, 19377080, 25190204, 31487755, 50380408, 62975510, 125951020, 251902040]

約数ペア:

[(1, 251902040), (2, 125951020), (4, 62975510), (5, 50380408), (8, 31487755), (10, 25190204), (13, 19377080), (20, 12595102), (26, 9688540), (40, 6297551), (52, 4844270), (65, 3875416), (89, 2830360), (104, 2422135), (130, 1937708), (178, 1415180), (260, 968854), (356, 707590), (445, 566072), (520, 484427), (712, 353795), (890, 283036), (1157, 217720), (1780, 141518), (2314, 108860), (3560, 70759), (4628, 54430), (5443, 46280), (5785, 43544), (9256, 27215), (10886, 23140), (11570, 21772)]