About the Number

1985731140

1985731139 ← → 1985731141

2進数表記:1110110010110111101101001000100

漢数字表記:十九億八千五百七十三万千百四十

素因数分解:

2 2 × 3 1 × 5 1 × 59 1 × 560941 1

素因数の和:561012
約数の個数: 48
約数和(自身を含む): 5654295360
約数和(自身を除く): 3668564220

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 560941, 1121882, 1682823, 2243764, 2804705, 3365646, 5609410, 6731292, 8414115, 11218820, 16828230, 33095519, 33656460, 66191038, 99286557, 132382076, 165477595, 198573114, 330955190, 397146228, 496432785, 661910380, 992865570, 1985731140]

約数ペア:
[(1, 1985731140), (2, 992865570), (3, 661910380), (4, 496432785), (5, 397146228), (6, 330955190), (10, 198573114), (12, 165477595), (15, 132382076), (20, 99286557), (30, 66191038), (59, 33656460), (60, 33095519), (118, 16828230), (177, 11218820), (236, 8414115), (295, 6731292), (354, 5609410), (590, 3365646), (708, 2804705), (885, 2243764), (1180, 1682823), (1770, 1121882), (3540, 560941)]

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