About the Number

74489490

74489489 ← → 74489491

2進数表記:100011100001001111010010010

漢数字表記:七千四百四十八万九千四百九十

素因数分解:

2 1 × 3 3 × 5 1 × 263 1 × 1049 1

素因数の和:1328
約数の個数: 64
約数和(自身を含む): 199584000
約数和(自身を除く): 125094510

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 263, 270, 526, 789, 1049, 1315, 1578, 2098, 2367, 2630, 3147, 3945, 4734, 5245, 6294, 7101, 7890, 9441, 10490, 11835, 14202, 15735, 18882, 23670, 28323, 31470, 35505, 47205, 56646, 71010, 94410, 141615, 275887, 283230, 551774, 827661, 1379435, 1655322, 2482983, 2758870, 4138305, 4965966, 7448949, 8276610, 12414915, 14897898, 24829830, 37244745, 74489490]

約数ペア:
[(1, 74489490), (2, 37244745), (3, 24829830), (5, 14897898), (6, 12414915), (9, 8276610), (10, 7448949), (15, 4965966), (18, 4138305), (27, 2758870), (30, 2482983), (45, 1655322), (54, 1379435), (90, 827661), (135, 551774), (263, 283230), (270, 275887), (526, 141615), (789, 94410), (1049, 71010), (1315, 56646), (1578, 47205), (2098, 35505), (2367, 31470), (2630, 28323), (3147, 23670), (3945, 18882), (4734, 15735), (5245, 14202), (6294, 11835), (7101, 10490), (7890, 9441)]

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