About the Number

74689020

74689019 ← → 74689021

2進数表記:100011100111010100111111100

漢数字表記:七千四百六十八万九千二十

素因数分解:

2 2 × 3 3 × 5 1 × 7 1 × 19759 1

素因数の和:19784
約数の個数: 96
約数和(自身を含む): 265574400
約数和(自身を除く): 190885380

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 19759, 39518, 59277, 79036, 98795, 118554, 138313, 177831, 197590, 237108, 276626, 296385, 355662, 395180, 414939, 533493, 553252, 592770, 691565, 711324, 829878, 889155, 1066986, 1185540, 1244817, 1383130, 1659756, 1778310, 2074695, 2133972, 2489634, 2667465, 2766260, 3556620, 3734451, 4149390, 4979268, 5334930, 6224085, 7468902, 8298780, 10669860, 12448170, 14937804, 18672255, 24896340, 37344510, 74689020]

約数ペア:
[(1, 74689020), (2, 37344510), (3, 24896340), (4, 18672255), (5, 14937804), (6, 12448170), (7, 10669860), (9, 8298780), (10, 7468902), (12, 6224085), (14, 5334930), (15, 4979268), (18, 4149390), (20, 3734451), (21, 3556620), (27, 2766260), (28, 2667465), (30, 2489634), (35, 2133972), (36, 2074695), (42, 1778310), (45, 1659756), (54, 1383130), (60, 1244817), (63, 1185540), (70, 1066986), (84, 889155), (90, 829878), (105, 711324), (108, 691565), (126, 592770), (135, 553252), (140, 533493), (180, 414939), (189, 395180), (210, 355662), (252, 296385), (270, 276626), (315, 237108), (378, 197590), (420, 177831), (540, 138313), (630, 118554), (756, 98795), (945, 79036), (1260, 59277), (1890, 39518), (3780, 19759)]

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