About the Number

229778820

229778819 ← → 229778821

2進数表記:1101101100100010010110000100

漢数字表記:二億二千九百七十七万八千八百二十

素因数分解:

2 2 × 3 2 × 5 1 × 31 1 × 41179 1

素因数の和:41225
約数の個数: 72
約数和(自身を含む): 719496960
約数和(自身を除く): 489718140

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 41179, 82358, 123537, 164716, 205895, 247074, 370611, 411790, 494148, 617685, 741222, 823580, 1235370, 1276549, 1482444, 1853055, 2470740, 2553098, 3706110, 3829647, 5106196, 6382745, 7412220, 7659294, 11488941, 12765490, 15318588, 19148235, 22977882, 25530980, 38296470, 45955764, 57444705, 76592940, 114889410, 229778820]

約数ペア:
[(1, 229778820), (2, 114889410), (3, 76592940), (4, 57444705), (5, 45955764), (6, 38296470), (9, 25530980), (10, 22977882), (12, 19148235), (15, 15318588), (18, 12765490), (20, 11488941), (30, 7659294), (31, 7412220), (36, 6382745), (45, 5106196), (60, 3829647), (62, 3706110), (90, 2553098), (93, 2470740), (124, 1853055), (155, 1482444), (180, 1276549), (186, 1235370), (279, 823580), (310, 741222), (372, 617685), (465, 494148), (558, 411790), (620, 370611), (930, 247074), (1116, 205895), (1395, 164716), (1860, 123537), (2790, 82358), (5580, 41179)]

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