About the Number

1221998670

1221998669 ← → 1221998671

2進数表記:1001000110101100011100001001110

漢数字表記:十二億二千百九十九万八千六百七十

素因数分解:

2 1 × 3 3 × 5 1 × 347 1 × 13043 1

素因数の和:13406
約数の個数: 64
約数和(自身を含む): 3268304640
約数和(自身を除く): 2046305970

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 347, 694, 1041, 1735, 2082, 3123, 3470, 5205, 6246, 9369, 10410, 13043, 15615, 18738, 26086, 31230, 39129, 46845, 65215, 78258, 93690, 117387, 130430, 195645, 234774, 352161, 391290, 586935, 704322, 1173870, 1760805, 3521610, 4525921, 9051842, 13577763, 22629605, 27155526, 40733289, 45259210, 67888815, 81466578, 122199867, 135777630, 203666445, 244399734, 407332890, 610999335, 1221998670]

約数ペア:
[(1, 1221998670), (2, 610999335), (3, 407332890), (5, 244399734), (6, 203666445), (9, 135777630), (10, 122199867), (15, 81466578), (18, 67888815), (27, 45259210), (30, 40733289), (45, 27155526), (54, 22629605), (90, 13577763), (135, 9051842), (270, 4525921), (347, 3521610), (694, 1760805), (1041, 1173870), (1735, 704322), (2082, 586935), (3123, 391290), (3470, 352161), (5205, 234774), (6246, 195645), (9369, 130430), (10410, 117387), (13043, 93690), (15615, 78258), (18738, 65215), (26086, 46845), (31230, 39129)]

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