About the Number

29997890

29997889 ← → 29997891

2進数表記:1110010011011101101000010

漢数字表記:二千九百九十九万七千八百九十

素因数分解:

2 1 × 5 1 × 13 1 × 29 1 × 73 1 × 109 1

素因数の和:231
約数の個数: 64
約数和(自身を含む): 61538400
約数和(自身を除く): 31540510

約数列:
[1, 2, 5, 10, 13, 26, 29, 58, 65, 73, 109, 130, 145, 146, 218, 290, 365, 377, 545, 730, 754, 949, 1090, 1417, 1885, 1898, 2117, 2834, 3161, 3770, 4234, 4745, 6322, 7085, 7957, 9490, 10585, 14170, 15805, 15914, 21170, 27521, 31610, 39785, 41093, 55042, 79570, 82186, 103441, 137605, 205465, 206882, 230753, 275210, 410930, 461506, 517205, 1034410, 1153765, 2307530, 2999789, 5999578, 14998945, 29997890]

約数ペア:
[(1, 29997890), (2, 14998945), (5, 5999578), (10, 2999789), (13, 2307530), (26, 1153765), (29, 1034410), (58, 517205), (65, 461506), (73, 410930), (109, 275210), (130, 230753), (145, 206882), (146, 205465), (218, 137605), (290, 103441), (365, 82186), (377, 79570), (545, 55042), (730, 41093), (754, 39785), (949, 31610), (1090, 27521), (1417, 21170), (1885, 15914), (1898, 15805), (2117, 14170), (2834, 10585), (3161, 9490), (3770, 7957), (4234, 7085), (4745, 6322)]

このpageの処理時間: 0.007651090621948242 seconds