2019999780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{115693}}^1$

素因数の和:115805

約数の個数: 72

約数和(自身を含む): 6190554552

約数和(自身を除く): 4170554772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 17460, 115693, 231386, 347079, 462772, 578465, 694158, 1041237, 1156930, 1388316, 1735395, 2082474, 2313860, 3470790, 4164948, 5206185, 6941580, 10412370, 11222221, 20824740, 22444442, 33666663, 44888884, 56111105, 67333326, 100999989, 112222210, 134666652, 168333315, 201999978, 224444420, 336666630, 403999956, 504999945, 673333260, 1009999890, 2019999780]

約数ペア:

[(1, 2019999780), (2, 1009999890), (3, 673333260), (4, 504999945), (5, 403999956), (6, 336666630), (9, 224444420), (10, 201999978), (12, 168333315), (15, 134666652), (18, 112222210), (20, 100999989), (30, 67333326), (36, 56111105), (45, 44888884), (60, 33666663), (90, 22444442), (97, 20824740), (180, 11222221), (194, 10412370), (291, 6941580), (388, 5206185), (485, 4164948), (582, 3470790), (873, 2313860), (970, 2082474), (1164, 1735395), (1455, 1388316), (1746, 1156930), (1940, 1041237), (2910, 694158), (3492, 578465), (4365, 462772), (5820, 347079), (8730, 231386), (17460, 115693)]