About the Number

100913220

100913219 ← → 100913221

2進数表記:110000000111101000001000100

漢数字表記:一億九十一万三千二百二十

素因数分解:

2 2 × 3 2 × 5 1 × 103 1 × 5443 1

素因数の和:5561
約数の個数: 72
約数和(自身を含む): 309132096
約数和(自身を除く): 208218876

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 5443, 6180, 9270, 10886, 16329, 18540, 21772, 27215, 32658, 48987, 54430, 65316, 81645, 97974, 108860, 163290, 195948, 244935, 326580, 489870, 560629, 979740, 1121258, 1681887, 2242516, 2803145, 3363774, 5045661, 5606290, 6727548, 8409435, 10091322, 11212580, 16818870, 20182644, 25228305, 33637740, 50456610, 100913220]

約数ペア:
[(1, 100913220), (2, 50456610), (3, 33637740), (4, 25228305), (5, 20182644), (6, 16818870), (9, 11212580), (10, 10091322), (12, 8409435), (15, 6727548), (18, 5606290), (20, 5045661), (30, 3363774), (36, 2803145), (45, 2242516), (60, 1681887), (90, 1121258), (103, 979740), (180, 560629), (206, 489870), (309, 326580), (412, 244935), (515, 195948), (618, 163290), (927, 108860), (1030, 97974), (1236, 81645), (1545, 65316), (1854, 54430), (2060, 48987), (3090, 32658), (3708, 27215), (4635, 21772), (5443, 18540), (6180, 16329), (9270, 10886)]

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