551517280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:740

約数の個数: 96

約数和(自身を含む): 1353397248

約数和(自身を除く): 801879968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 251, 310, 443, 496, 502, 620, 886, 992, 1004, 1240, 1255, 1772, 2008, 2215, 2480, 2510, 3544, 4016, 4430, 4960, 5020, 7088, 7781, 8032, 8860, 10040, 13733, 14176, 15562, 17720, 20080, 27466, 31124, 35440, 38905, 40160, 54932, 62248, 68665, 70880, 77810, 109864, 111193, 124496, 137330, 155620, 219728, 222386, 248992, 274660, 311240, 439456, 444772, 549320, 555965, 622480, 889544, 1098640, 1111930, 1244960, 1779088, 2197280, 2223860, 3446983, 3558176, 4447720, 6893966, 8895440, 13787932, 17234915, 17790880, 27575864, 34469830, 55151728, 68939660, 110303456, 137879320, 275758640, 551517280]

約数ペア:

[(1, 551517280), (2, 275758640), (4, 137879320), (5, 110303456), (8, 68939660), (10, 55151728), (16, 34469830), (20, 27575864), (31, 17790880), (32, 17234915), (40, 13787932), (62, 8895440), (80, 6893966), (124, 4447720), (155, 3558176), (160, 3446983), (248, 2223860), (251, 2197280), (310, 1779088), (443, 1244960), (496, 1111930), (502, 1098640), (620, 889544), (886, 622480), (992, 555965), (1004, 549320), (1240, 444772), (1255, 439456), (1772, 311240), (2008, 274660), (2215, 248992), (2480, 222386), (2510, 219728), (3544, 155620), (4016, 137330), (4430, 124496), (4960, 111193), (5020, 109864), (7088, 77810), (7781, 70880), (8032, 68665), (8860, 62248), (10040, 54932), (13733, 40160), (14176, 38905), (15562, 35440), (17720, 31124), (20080, 27466)]