289276520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 783457920

約数和(自身を除く): 494181400

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 67, 76, 92, 95, 104, 115, 130, 134, 152, 184, 190, 230, 247, 260, 268, 299, 335, 361, 380, 437, 460, 494, 520, 536, 598, 670, 722, 760, 871, 874, 920, 988, 1196, 1235, 1273, 1340, 1444, 1495, 1541, 1742, 1748, 1805, 1976, 2185, 2392, 2470, 2546, 2680, 2888, 2990, 3082, 3484, 3496, 3610, 4355, 4370, 4693, 4940, 5092, 5681, 5980, 6164, 6365, 6968, 7220, 7705, 8303, 8710, 8740, 9386, 9880, 10184, 11362, 11960, 12328, 12730, 14440, 15410, 16549, 16606, 17420, 17480, 18772, 20033, 22724, 23465, 24187, 25460, 28405, 29279, 30820, 33098, 33212, 34840, 37544, 40066, 41515, 45448, 46930, 48374, 50920, 56810, 58558, 61640, 66196, 66424, 80132, 82745, 83030, 93860, 96748, 100165, 107939, 113620, 117116, 120935, 132392, 146395, 160264, 165490, 166060, 187720, 193496, 200330, 215878, 227240, 234232, 241870, 292790, 314431, 330980, 332120, 380627, 400660, 431756, 483740, 539695, 556301, 585580, 628862, 661960, 761254, 801320, 863512, 967480, 1079390, 1112602, 1171160, 1257724, 1522508, 1572155, 1903135, 2158780, 2225204, 2515448, 2781505, 3045016, 3144310, 3806270, 4317560, 4450408, 5563010, 6288620, 7231913, 7612540, 11126020, 12577240, 14463826, 15225080, 22252040, 28927652, 36159565, 57855304, 72319130, 144638260, 289276520]

約数ペア:

[(1, 289276520), (2, 144638260), (4, 72319130), (5, 57855304), (8, 36159565), (10, 28927652), (13, 22252040), (19, 15225080), (20, 14463826), (23, 12577240), (26, 11126020), (38, 7612540), (40, 7231913), (46, 6288620), (52, 5563010), (65, 4450408), (67, 4317560), (76, 3806270), (92, 3144310), (95, 3045016), (104, 2781505), (115, 2515448), (130, 2225204), (134, 2158780), (152, 1903135), (184, 1572155), (190, 1522508), (230, 1257724), (247, 1171160), (260, 1112602), (268, 1079390), (299, 967480), (335, 863512), (361, 801320), (380, 761254), (437, 661960), (460, 628862), (494, 585580), (520, 556301), (536, 539695), (598, 483740), (670, 431756), (722, 400660), (760, 380627), (871, 332120), (874, 330980), (920, 314431), (988, 292790), (1196, 241870), (1235, 234232), (1273, 227240), (1340, 215878), (1444, 200330), (1495, 193496), (1541, 187720), (1742, 166060), (1748, 165490), (1805, 160264), (1976, 146395), (2185, 132392), (2392, 120935), (2470, 117116), (2546, 113620), (2680, 107939), (2888, 100165), (2990, 96748), (3082, 93860), (3484, 83030), (3496, 82745), (3610, 80132), (4355, 66424), (4370, 66196), (4693, 61640), (4940, 58558), (5092, 56810), (5681, 50920), (5980, 48374), (6164, 46930), (6365, 45448), (6968, 41515), (7220, 40066), (7705, 37544), (8303, 34840), (8710, 33212), (8740, 33098), (9386, 30820), (9880, 29279), (10184, 28405), (11362, 25460), (11960, 24187), (12328, 23465), (12730, 22724), (14440, 20033), (15410, 18772), (16549, 17480), (16606, 17420)]