About the Number

189973890

189973889 ← → 189973891

2進数表記:1011010100101100010110000010

漢数字表記:一億八千九百九十七万三千八百九十

素因数分解:

2 1 × 3 3 × 5 1 × 31 1 × 22697 1

素因数の和:22744
約数の個数: 64
約数和(自身を含む): 522961920
約数和(自身を除く): 332988030

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2790, 4185, 8370, 22697, 45394, 68091, 113485, 136182, 204273, 226970, 340455, 408546, 612819, 680910, 703607, 1021365, 1225638, 1407214, 2042730, 2110821, 3064095, 3518035, 4221642, 6128190, 6332463, 7036070, 10554105, 12664926, 18997389, 21108210, 31662315, 37994778, 63324630, 94986945, 189973890]

約数ペア:
[(1, 189973890), (2, 94986945), (3, 63324630), (5, 37994778), (6, 31662315), (9, 21108210), (10, 18997389), (15, 12664926), (18, 10554105), (27, 7036070), (30, 6332463), (31, 6128190), (45, 4221642), (54, 3518035), (62, 3064095), (90, 2110821), (93, 2042730), (135, 1407214), (155, 1225638), (186, 1021365), (270, 703607), (279, 680910), (310, 612819), (465, 408546), (558, 340455), (837, 226970), (930, 204273), (1395, 136182), (1674, 113485), (2790, 68091), (4185, 45394), (8370, 22697)]

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