About the Number

81988230

81988229 ← → 81988231

2進数表記:100111000110000101010000110

漢数字表記:八千百九十八万八千二百三十

素因数分解:

2 1 × 3 1 × 5 1 × 19 1 × 83 1 × 1733 1

素因数の和:1845
約数の個数: 64
約数和(自身を含む): 209744640
約数和(自身を除く): 127756410

約数列:
[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 83, 95, 114, 166, 190, 249, 285, 415, 498, 570, 830, 1245, 1577, 1733, 2490, 3154, 3466, 4731, 5199, 7885, 8665, 9462, 10398, 15770, 17330, 23655, 25995, 32927, 47310, 51990, 65854, 98781, 143839, 164635, 197562, 287678, 329270, 431517, 493905, 719195, 863034, 987810, 1438390, 2157585, 2732941, 4315170, 5465882, 8198823, 13664705, 16397646, 27329410, 40994115, 81988230]

約数ペア:
[(1, 81988230), (2, 40994115), (3, 27329410), (5, 16397646), (6, 13664705), (10, 8198823), (15, 5465882), (19, 4315170), (30, 2732941), (38, 2157585), (57, 1438390), (83, 987810), (95, 863034), (114, 719195), (166, 493905), (190, 431517), (249, 329270), (285, 287678), (415, 197562), (498, 164635), (570, 143839), (830, 98781), (1245, 65854), (1577, 51990), (1733, 47310), (2490, 32927), (3154, 25995), (3466, 23655), (4731, 17330), (5199, 15770), (7885, 10398), (8665, 9462)]

このpageの処理時間: 0.005486965179443359 seconds