638996826020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{820763}}^1$

素因数の和:820929

約数の個数: 96

約数和(自身を含む): 1575236533248

約数和(自身を除く): 936239707228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 83, 134, 140, 166, 268, 332, 335, 415, 469, 581, 670, 830, 938, 1162, 1340, 1660, 1876, 2324, 2345, 2905, 4690, 5561, 5810, 9380, 11122, 11620, 22244, 27805, 38927, 55610, 77854, 111220, 155708, 194635, 389270, 778540, 820763, 1641526, 3283052, 4103815, 5745341, 8207630, 11490682, 16415260, 22981364, 28726705, 54991121, 57453410, 68123329, 109982242, 114906820, 136246658, 219964484, 272493316, 274955605, 340616645, 384937847, 476863303, 549911210, 681233290, 769875694, 953726606, 1099822420, 1362466580, 1539751388, 1907453212, 1924689235, 2384316515, 3849378470, 4564263043, 4768633030, 7698756940, 9128526086, 9537266060, 18257052172, 22821315215, 31949841301, 45642630430, 63899682602, 91285260860, 127799365204, 159749206505, 319498413010, 638996826020]

約数ペア:

[(1, 638996826020), (2, 319498413010), (4, 159749206505), (5, 127799365204), (7, 91285260860), (10, 63899682602), (14, 45642630430), (20, 31949841301), (28, 22821315215), (35, 18257052172), (67, 9537266060), (70, 9128526086), (83, 7698756940), (134, 4768633030), (140, 4564263043), (166, 3849378470), (268, 2384316515), (332, 1924689235), (335, 1907453212), (415, 1539751388), (469, 1362466580), (581, 1099822420), (670, 953726606), (830, 769875694), (938, 681233290), (1162, 549911210), (1340, 476863303), (1660, 384937847), (1876, 340616645), (2324, 274955605), (2345, 272493316), (2905, 219964484), (4690, 136246658), (5561, 114906820), (5810, 109982242), (9380, 68123329), (11122, 57453410), (11620, 54991121), (22244, 28726705), (27805, 22981364), (38927, 16415260), (55610, 11490682), (77854, 8207630), (111220, 5745341), (155708, 4103815), (194635, 3283052), (389270, 1641526), (778540, 820763)]