About the Number

74482020

74482019 ← → 74482021

2進数表記:100011100001000000101100100

漢数字表記:七千四百四十八万二千二十

素因数分解:

2 2 × 3 2 × 5 1 × 43 1 × 9623 1

素因数の和:9681
約数の個数: 72
約数和(自身を含む): 231206976
約数和(自身を除く): 156724956

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 9623, 19246, 28869, 38492, 48115, 57738, 86607, 96230, 115476, 144345, 173214, 192460, 288690, 346428, 413789, 433035, 577380, 827578, 866070, 1241367, 1655156, 1732140, 2068945, 2482734, 3724101, 4137890, 4965468, 6206835, 7448202, 8275780, 12413670, 14896404, 18620505, 24827340, 37241010, 74482020]

約数ペア:
[(1, 74482020), (2, 37241010), (3, 24827340), (4, 18620505), (5, 14896404), (6, 12413670), (9, 8275780), (10, 7448202), (12, 6206835), (15, 4965468), (18, 4137890), (20, 3724101), (30, 2482734), (36, 2068945), (43, 1732140), (45, 1655156), (60, 1241367), (86, 866070), (90, 827578), (129, 577380), (172, 433035), (180, 413789), (215, 346428), (258, 288690), (387, 192460), (430, 173214), (516, 144345), (645, 115476), (774, 96230), (860, 86607), (1290, 57738), (1548, 48115), (1935, 38492), (2580, 28869), (3870, 19246), (7740, 9623)]

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