About the Number

189743490

189743489 ← → 189743491

2進数表記:1011010011110100000110000010

漢数字表記:一億八千九百七十四万三千四百九十

素因数分解:

2 1 × 3 2 × 5 1 × 41 1 × 51421 1

素因数の和:51475
約数の個数: 48
約数和(自身を含む): 505375416
約数和(自身を除く): 315631926

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 51421, 102842, 154263, 257105, 308526, 462789, 514210, 771315, 925578, 1542630, 2108261, 2313945, 4216522, 4627890, 6324783, 10541305, 12649566, 18974349, 21082610, 31623915, 37948698, 63247830, 94871745, 189743490]

約数ペア:
[(1, 189743490), (2, 94871745), (3, 63247830), (5, 37948698), (6, 31623915), (9, 21082610), (10, 18974349), (15, 12649566), (18, 10541305), (30, 6324783), (41, 4627890), (45, 4216522), (82, 2313945), (90, 2108261), (123, 1542630), (205, 925578), (246, 771315), (369, 514210), (410, 462789), (615, 308526), (738, 257105), (1230, 154263), (1845, 102842), (3690, 51421)]

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