890781570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{471313}}^1$

素因数の和:471336

約数の個数: 64

約数和(自身を含む): 2714768640

約数和(自身を除く): 1823987070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 471313, 942626, 1413939, 2356565, 2827878, 3299191, 4241817, 4713130, 6598382, 7069695, 8483634, 9897573, 12725451, 14139390, 16495955, 19795146, 21209085, 25450902, 29692719, 32991910, 42418170, 49487865, 59385438, 63627255, 89078157, 98975730, 127254510, 148463595, 178156314, 296927190, 445390785, 890781570]

約数ペア:

[(1, 890781570), (2, 445390785), (3, 296927190), (5, 178156314), (6, 148463595), (7, 127254510), (9, 98975730), (10, 89078157), (14, 63627255), (15, 59385438), (18, 49487865), (21, 42418170), (27, 32991910), (30, 29692719), (35, 25450902), (42, 21209085), (45, 19795146), (54, 16495955), (63, 14139390), (70, 12725451), (90, 9897573), (105, 8483634), (126, 7069695), (135, 6598382), (189, 4713130), (210, 4241817), (270, 3299191), (315, 2827878), (378, 2356565), (630, 1413939), (945, 942626), (1890, 471313)]