264219005240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1\times {\mathrm{66029}}^1$

素因数の和:67520

約数の個数: 64

約数和(自身を含む): 603302904000

約数和(自身を除く): 339083898760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1409, 1420, 2818, 2840, 5636, 7045, 11272, 14090, 28180, 56360, 66029, 100039, 132058, 200078, 264116, 330145, 400156, 500195, 528232, 660290, 800312, 1000390, 1320580, 2000780, 2641160, 4001560, 4688059, 9376118, 18752236, 23440295, 37504472, 46880590, 93034861, 93761180, 186069722, 187522360, 372139444, 465174305, 744278888, 930348610, 1860697220, 3721394440, 6605475131, 13210950262, 26421900524, 33027375655, 52843801048, 66054751310, 132109502620, 264219005240]

約数ペア:

[(1, 264219005240), (2, 132109502620), (4, 66054751310), (5, 52843801048), (8, 33027375655), (10, 26421900524), (20, 13210950262), (40, 6605475131), (71, 3721394440), (142, 1860697220), (284, 930348610), (355, 744278888), (568, 465174305), (710, 372139444), (1409, 187522360), (1420, 186069722), (2818, 93761180), (2840, 93034861), (5636, 46880590), (7045, 37504472), (11272, 23440295), (14090, 18752236), (28180, 9376118), (56360, 4688059), (66029, 4001560), (100039, 2641160), (132058, 2000780), (200078, 1320580), (264116, 1000390), (330145, 800312), (400156, 660290), (500195, 528232)]