About the Number

31885380

31885379 ← → 31885381

2進数表記:1111001101000100001000100

漢数字表記:三千百八十八万五千三百八十

素因数分解:

2 2 × 3 3 × 5 1 × 137 1 × 431 1

素因数の和:586
約数の個数: 96
約数和(自身を含む): 100154880
約数和(自身を除く): 68269500

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 137, 180, 270, 274, 411, 431, 540, 548, 685, 822, 862, 1233, 1293, 1370, 1644, 1724, 2055, 2155, 2466, 2586, 2740, 3699, 3879, 4110, 4310, 4932, 5172, 6165, 6465, 7398, 7758, 8220, 8620, 11637, 12330, 12930, 14796, 15516, 18495, 19395, 23274, 24660, 25860, 36990, 38790, 46548, 58185, 59047, 73980, 77580, 116370, 118094, 177141, 232740, 236188, 295235, 354282, 531423, 590470, 708564, 885705, 1062846, 1180940, 1594269, 1771410, 2125692, 2657115, 3188538, 3542820, 5314230, 6377076, 7971345, 10628460, 15942690, 31885380]

約数ペア:
[(1, 31885380), (2, 15942690), (3, 10628460), (4, 7971345), (5, 6377076), (6, 5314230), (9, 3542820), (10, 3188538), (12, 2657115), (15, 2125692), (18, 1771410), (20, 1594269), (27, 1180940), (30, 1062846), (36, 885705), (45, 708564), (54, 590470), (60, 531423), (90, 354282), (108, 295235), (135, 236188), (137, 232740), (180, 177141), (270, 118094), (274, 116370), (411, 77580), (431, 73980), (540, 59047), (548, 58185), (685, 46548), (822, 38790), (862, 36990), (1233, 25860), (1293, 24660), (1370, 23274), (1644, 19395), (1724, 18495), (2055, 15516), (2155, 14796), (2466, 12930), (2586, 12330), (2740, 11637), (3699, 8620), (3879, 8220), (4110, 7758), (4310, 7398), (4932, 6465), (5172, 6165)]

このpageの処理時間: 0.0047817230224609375 seconds