49520380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{23}}^1$

素因数の和:85

約数の個数: 144

約数和(自身を含む): 136745280

約数和(自身を除く): 87224900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 49, 52, 65, 70, 91, 92, 98, 115, 130, 140, 161, 169, 182, 196, 230, 245, 260, 299, 322, 338, 364, 455, 460, 490, 598, 637, 644, 676, 805, 845, 910, 980, 1127, 1183, 1196, 1274, 1495, 1610, 1690, 1820, 2093, 2197, 2254, 2366, 2548, 2990, 3185, 3220, 3380, 3887, 4186, 4394, 4508, 4732, 5635, 5915, 5980, 6370, 7774, 8281, 8372, 8788, 10465, 10985, 11270, 11830, 12740, 14651, 15379, 15548, 16562, 19435, 20930, 21970, 22540, 23660, 27209, 29302, 30758, 33124, 38870, 41405, 41860, 43940, 50531, 54418, 58604, 61516, 73255, 76895, 77740, 82810, 101062, 107653, 108836, 136045, 146510, 153790, 165620, 190463, 202124, 215306, 252655, 272090, 293020, 307580, 353717, 380926, 430612, 505310, 538265, 544180, 707434, 761852, 952315, 1010620, 1076530, 1414868, 1768585, 1904630, 2153060, 2476019, 3537170, 3809260, 4952038, 7074340, 9904076, 12380095, 24760190, 49520380]

約数ペア:

[(1, 49520380), (2, 24760190), (4, 12380095), (5, 9904076), (7, 7074340), (10, 4952038), (13, 3809260), (14, 3537170), (20, 2476019), (23, 2153060), (26, 1904630), (28, 1768585), (35, 1414868), (46, 1076530), (49, 1010620), (52, 952315), (65, 761852), (70, 707434), (91, 544180), (92, 538265), (98, 505310), (115, 430612), (130, 380926), (140, 353717), (161, 307580), (169, 293020), (182, 272090), (196, 252655), (230, 215306), (245, 202124), (260, 190463), (299, 165620), (322, 153790), (338, 146510), (364, 136045), (455, 108836), (460, 107653), (490, 101062), (598, 82810), (637, 77740), (644, 76895), (676, 73255), (805, 61516), (845, 58604), (910, 54418), (980, 50531), (1127, 43940), (1183, 41860), (1196, 41405), (1274, 38870), (1495, 33124), (1610, 30758), (1690, 29302), (1820, 27209), (2093, 23660), (2197, 22540), (2254, 21970), (2366, 20930), (2548, 19435), (2990, 16562), (3185, 15548), (3220, 15379), (3380, 14651), (3887, 12740), (4186, 11830), (4394, 11270), (4508, 10985), (4732, 10465), (5635, 8788), (5915, 8372), (5980, 8281), (6370, 7774)]