About the Number

221488920

221488919 ← → 221488921

2進数表記:1101001100111010011100011000

漢数字表記:二億二千百四十八万八千九百二十

素因数分解:

2 3 × 3 2 × 5 1 × 17 1 × 36191 1

素因数の和:36225
約数の個数: 96
約数和(自身を含む): 762203520
約数和(自身を除く): 540714600

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 36191, 72382, 108573, 144764, 180955, 217146, 289528, 325719, 361910, 434292, 542865, 615247, 651438, 723820, 868584, 1085730, 1230494, 1302876, 1447640, 1628595, 1845741, 2171460, 2460988, 2605752, 3076235, 3257190, 3691482, 4342920, 4921976, 5537223, 6152470, 6514380, 7382964, 9228705, 11074446, 12304940, 13028760, 14765928, 18457410, 22148892, 24609880, 27686115, 36914820, 44297784, 55372230, 73829640, 110744460, 221488920]

約数ペア:
[(1, 221488920), (2, 110744460), (3, 73829640), (4, 55372230), (5, 44297784), (6, 36914820), (8, 27686115), (9, 24609880), (10, 22148892), (12, 18457410), (15, 14765928), (17, 13028760), (18, 12304940), (20, 11074446), (24, 9228705), (30, 7382964), (34, 6514380), (36, 6152470), (40, 5537223), (45, 4921976), (51, 4342920), (60, 3691482), (68, 3257190), (72, 3076235), (85, 2605752), (90, 2460988), (102, 2171460), (120, 1845741), (136, 1628595), (153, 1447640), (170, 1302876), (180, 1230494), (204, 1085730), (255, 868584), (306, 723820), (340, 651438), (360, 615247), (408, 542865), (510, 434292), (612, 361910), (680, 325719), (765, 289528), (1020, 217146), (1224, 180955), (1530, 144764), (2040, 108573), (3060, 72382), (6120, 36191)]

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