About the Number

420811320

420811319 ← → 420811321

2進数表記:11001000101010001001000111000

漢数字表記:四億二千八十一万千三百二十

素因数分解:

2 3 × 3 1 × 5 1 × 71 1 × 49391 1

素因数の和:49476
約数の個数: 64
約数和(自身を含む): 1280240640
約数和(自身を除く): 859429320

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 49391, 98782, 148173, 197564, 246955, 296346, 395128, 493910, 592692, 740865, 987820, 1185384, 1481730, 1975640, 2963460, 3506761, 5926920, 7013522, 10520283, 14027044, 17533805, 21040566, 28054088, 35067610, 42081132, 52601415, 70135220, 84162264, 105202830, 140270440, 210405660, 420811320]

約数ペア:
[(1, 420811320), (2, 210405660), (3, 140270440), (4, 105202830), (5, 84162264), (6, 70135220), (8, 52601415), (10, 42081132), (12, 35067610), (15, 28054088), (20, 21040566), (24, 17533805), (30, 14027044), (40, 10520283), (60, 7013522), (71, 5926920), (120, 3506761), (142, 2963460), (213, 1975640), (284, 1481730), (355, 1185384), (426, 987820), (568, 740865), (710, 592692), (852, 493910), (1065, 395128), (1420, 296346), (1704, 246955), (2130, 197564), (2840, 148173), (4260, 98782), (8520, 49391)]

このpageの処理時間: 0.16540193557739258 seconds