312587440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5003}}^1$

素因数の和:5098

約数の個数: 80

約数和(自身を含む): 804162816

約数和(自身を除く): 491575376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1562, 2840, 3124, 3905, 5003, 5680, 6248, 7810, 10006, 12496, 15620, 20012, 25015, 31240, 40024, 50030, 55033, 62480, 80048, 100060, 110066, 200120, 220132, 275165, 355213, 400240, 440264, 550330, 710426, 880528, 1100660, 1420852, 1776065, 2201320, 2841704, 3552130, 3907343, 4402640, 5683408, 7104260, 7814686, 14208520, 15629372, 19536715, 28417040, 31258744, 39073430, 62517488, 78146860, 156293720, 312587440]

約数ペア:

[(1, 312587440), (2, 156293720), (4, 78146860), (5, 62517488), (8, 39073430), (10, 31258744), (11, 28417040), (16, 19536715), (20, 15629372), (22, 14208520), (40, 7814686), (44, 7104260), (55, 5683408), (71, 4402640), (80, 3907343), (88, 3552130), (110, 2841704), (142, 2201320), (176, 1776065), (220, 1420852), (284, 1100660), (355, 880528), (440, 710426), (568, 550330), (710, 440264), (781, 400240), (880, 355213), (1136, 275165), (1420, 220132), (1562, 200120), (2840, 110066), (3124, 100060), (3905, 80048), (5003, 62480), (5680, 55033), (6248, 50030), (7810, 40024), (10006, 31240), (12496, 25015), (15620, 20012)]