About the Number

188972490

188972489 ← → 188972491

2進数表記:1011010000110111110111001010

漢数字表記:一億八千八百九十七万二千四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 97 1 × 9277 1

素因数の和:9391
約数の個数: 64
約数和(自身を含む): 523724544
約数和(自身を除く): 334752054

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 97, 105, 194, 210, 291, 485, 582, 679, 970, 1358, 1455, 2037, 2910, 3395, 4074, 6790, 9277, 10185, 18554, 20370, 27831, 46385, 55662, 64939, 92770, 129878, 139155, 194817, 278310, 324695, 389634, 649390, 899869, 974085, 1799738, 1948170, 2699607, 4499345, 5399214, 6299083, 8998690, 12598166, 13498035, 18897249, 26996070, 31495415, 37794498, 62990830, 94486245, 188972490]

約数ペア:
[(1, 188972490), (2, 94486245), (3, 62990830), (5, 37794498), (6, 31495415), (7, 26996070), (10, 18897249), (14, 13498035), (15, 12598166), (21, 8998690), (30, 6299083), (35, 5399214), (42, 4499345), (70, 2699607), (97, 1948170), (105, 1799738), (194, 974085), (210, 899869), (291, 649390), (485, 389634), (582, 324695), (679, 278310), (970, 194817), (1358, 139155), (1455, 129878), (2037, 92770), (2910, 64939), (3395, 55662), (4074, 46385), (6790, 27831), (9277, 20370), (10185, 18554)]

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