About the Number

1888897890

1888897889 ← → 1888897891

2進数表記:1110000100101100100101101100010

漢数字表記:十八億八千八百八十九万七千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 29 1 × 31 1 × 6367 1

素因数の和:6448
約数の個数: 128
約数和(自身を含む): 5281873920
約数和(自身を除く): 3392976030

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 31, 33, 55, 58, 62, 66, 87, 93, 110, 145, 155, 165, 174, 186, 290, 310, 319, 330, 341, 435, 465, 638, 682, 870, 899, 930, 957, 1023, 1595, 1705, 1798, 1914, 2046, 2697, 3190, 3410, 4495, 4785, 5115, 5394, 6367, 8990, 9570, 9889, 10230, 12734, 13485, 19101, 19778, 26970, 29667, 31835, 38202, 49445, 59334, 63670, 70037, 95505, 98890, 140074, 148335, 184643, 191010, 197377, 210111, 296670, 350185, 369286, 394754, 420222, 553929, 592131, 700370, 923215, 986885, 1050555, 1107858, 1184262, 1846430, 1973770, 2031073, 2101110, 2171147, 2769645, 2960655, 4062146, 4342294, 5539290, 5723933, 5921310, 6093219, 6513441, 10155365, 10855735, 11447866, 12186438, 13026882, 17171799, 20310730, 21711470, 28619665, 30466095, 32567205, 34343598, 57239330, 60932190, 62963263, 65134410, 85858995, 125926526, 171717990, 188889789, 314816315, 377779578, 629632630, 944448945, 1888897890]

約数ペア:
[(1, 1888897890), (2, 944448945), (3, 629632630), (5, 377779578), (6, 314816315), (10, 188889789), (11, 171717990), (15, 125926526), (22, 85858995), (29, 65134410), (30, 62963263), (31, 60932190), (33, 57239330), (55, 34343598), (58, 32567205), (62, 30466095), (66, 28619665), (87, 21711470), (93, 20310730), (110, 17171799), (145, 13026882), (155, 12186438), (165, 11447866), (174, 10855735), (186, 10155365), (290, 6513441), (310, 6093219), (319, 5921310), (330, 5723933), (341, 5539290), (435, 4342294), (465, 4062146), (638, 2960655), (682, 2769645), (870, 2171147), (899, 2101110), (930, 2031073), (957, 1973770), (1023, 1846430), (1595, 1184262), (1705, 1107858), (1798, 1050555), (1914, 986885), (2046, 923215), (2697, 700370), (3190, 592131), (3410, 553929), (4495, 420222), (4785, 394754), (5115, 369286), (5394, 350185), (6367, 296670), (8990, 210111), (9570, 197377), (9889, 191010), (10230, 184643), (12734, 148335), (13485, 140074), (19101, 98890), (19778, 95505), (26970, 70037), (29667, 63670), (31835, 59334), (38202, 49445)]

このpageの処理時間: 0.19614958763122559 seconds