About the Number
72988890
2進数表記:100010110011011100011011010
漢数字表記:七千二百九十八万八千八百九十
素因数分解:
素因数の和:228
約数の個数: 128
約数和(自身を含む): 201277440
約数和(自身を除く): 128288550
約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 79, 103, 115, 130, 138, 158, 195, 206, 230, 237, 299, 309, 345, 390, 395, 474, 515, 598, 618, 690, 790, 897, 1027, 1030, 1185, 1339, 1495, 1545, 1794, 1817, 2054, 2369, 2370, 2678, 2990, 3081, 3090, 3634, 4017, 4485, 4738, 5135, 5451, 6162, 6695, 7107, 8034, 8137, 8970, 9085, 10270, 10902, 11845, 13390, 14214, 15405, 16274, 18170, 20085, 23621, 23690, 24411, 27255, 30797, 30810, 35535, 40170, 40685, 47242, 48822, 54510, 61594, 70863, 71070, 81370, 92391, 105781, 118105, 122055, 141726, 153985, 184782, 187151, 211562, 236210, 244110, 307970, 317343, 354315, 374302, 461955, 528905, 561453, 634686, 708630, 923910, 935755, 1057810, 1122906, 1586715, 1871510, 2432963, 2807265, 3173430, 4865926, 5614530, 7298889, 12164815, 14597778, 24329630, 36494445, 72988890]
約数ペア:
[(1, 72988890), (2, 36494445), (3, 24329630), (5, 14597778), (6, 12164815), (10, 7298889), (13, 5614530), (15, 4865926), (23, 3173430), (26, 2807265), (30, 2432963), (39, 1871510), (46, 1586715), (65, 1122906), (69, 1057810), (78, 935755), (79, 923910), (103, 708630), (115, 634686), (130, 561453), (138, 528905), (158, 461955), (195, 374302), (206, 354315), (230, 317343), (237, 307970), (299, 244110), (309, 236210), (345, 211562), (390, 187151), (395, 184782), (474, 153985), (515, 141726), (598, 122055), (618, 118105), (690, 105781), (790, 92391), (897, 81370), (1027, 71070), (1030, 70863), (1185, 61594), (1339, 54510), (1495, 48822), (1545, 47242), (1794, 40685), (1817, 40170), (2054, 35535), (2369, 30810), (2370, 30797), (2678, 27255), (2990, 24411), (3081, 23690), (3090, 23621), (3634, 20085), (4017, 18170), (4485, 16274), (4738, 15405), (5135, 14214), (5451, 13390), (6162, 11845), (6695, 10902), (7107, 10270), (8034, 9085), (8137, 8970)]このpageの処理時間: 0.008997201919555664 seconds