About the Number

31843140

31843139 ← → 31843141

2進数表記:1111001011110001101000100

漢数字表記:三千百八十四万三千百四十

素因数分解:

2 2 × 3 1 × 5 1 × 7 2 × 10831 1

素因数の和:10857
約数の個数: 72
約数和(自身を含む): 103727232
約数和(自身を除く): 71884092

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10831, 21662, 32493, 43324, 54155, 64986, 75817, 108310, 129972, 151634, 162465, 216620, 227451, 303268, 324930, 379085, 454902, 530719, 649860, 758170, 909804, 1061438, 1137255, 1516340, 1592157, 2122876, 2274510, 2653595, 3184314, 4549020, 5307190, 6368628, 7960785, 10614380, 15921570, 31843140]

約数ペア:
[(1, 31843140), (2, 15921570), (3, 10614380), (4, 7960785), (5, 6368628), (6, 5307190), (7, 4549020), (10, 3184314), (12, 2653595), (14, 2274510), (15, 2122876), (20, 1592157), (21, 1516340), (28, 1137255), (30, 1061438), (35, 909804), (42, 758170), (49, 649860), (60, 530719), (70, 454902), (84, 379085), (98, 324930), (105, 303268), (140, 227451), (147, 216620), (196, 162465), (210, 151634), (245, 129972), (294, 108310), (420, 75817), (490, 64986), (588, 54155), (735, 43324), (980, 32493), (1470, 21662), (2940, 10831)]

このpageの処理時間: 0.0044062137603759766 seconds