About the Number

1028904880

1028904879 ← → 1028904881

2進数表記:111101010100111101011110110000

漢数字表記:十億二千八百九十万四千八百八十

素因数分解:

2 4 × 5 1 × 31 1 × 37 1 × 11213 1

素因数の和:11294
約数の個数: 80
約数和(自身を含む): 2536337664
約数和(自身を除く): 1507432784

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2294, 2480, 2960, 4588, 5735, 9176, 11213, 11470, 18352, 22426, 22940, 44852, 45880, 56065, 89704, 91760, 112130, 179408, 224260, 347603, 414881, 448520, 695206, 829762, 897040, 1390412, 1659524, 1738015, 2074405, 2780824, 3319048, 3476030, 4148810, 5561648, 6638096, 6952060, 8297620, 12861311, 13904120, 16595240, 25722622, 27808240, 33190480, 51445244, 64306555, 102890488, 128613110, 205780976, 257226220, 514452440, 1028904880]

約数ペア:
[(1, 1028904880), (2, 514452440), (4, 257226220), (5, 205780976), (8, 128613110), (10, 102890488), (16, 64306555), (20, 51445244), (31, 33190480), (37, 27808240), (40, 25722622), (62, 16595240), (74, 13904120), (80, 12861311), (124, 8297620), (148, 6952060), (155, 6638096), (185, 5561648), (248, 4148810), (296, 3476030), (310, 3319048), (370, 2780824), (496, 2074405), (592, 1738015), (620, 1659524), (740, 1390412), (1147, 897040), (1240, 829762), (1480, 695206), (2294, 448520), (2480, 414881), (2960, 347603), (4588, 224260), (5735, 179408), (9176, 112130), (11213, 91760), (11470, 89704), (18352, 56065), (22426, 45880), (22940, 44852)]

このpageの処理時間: 0.009160995483398438 seconds