2731820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 7526400

約数和(自身を除く): 4794580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 79, 91, 95, 130, 133, 140, 158, 182, 190, 247, 260, 266, 316, 364, 380, 395, 455, 494, 532, 553, 665, 790, 910, 988, 1027, 1106, 1235, 1330, 1501, 1580, 1729, 1820, 2054, 2212, 2470, 2660, 2765, 3002, 3458, 4108, 4940, 5135, 5530, 6004, 6916, 7189, 7505, 8645, 10270, 10507, 11060, 14378, 15010, 17290, 19513, 20540, 21014, 28756, 30020, 34580, 35945, 39026, 42028, 52535, 71890, 78052, 97565, 105070, 136591, 143780, 195130, 210140, 273182, 390260, 546364, 682955, 1365910, 2731820]

約数ペア:

[(1, 2731820), (2, 1365910), (4, 682955), (5, 546364), (7, 390260), (10, 273182), (13, 210140), (14, 195130), (19, 143780), (20, 136591), (26, 105070), (28, 97565), (35, 78052), (38, 71890), (52, 52535), (65, 42028), (70, 39026), (76, 35945), (79, 34580), (91, 30020), (95, 28756), (130, 21014), (133, 20540), (140, 19513), (158, 17290), (182, 15010), (190, 14378), (247, 11060), (260, 10507), (266, 10270), (316, 8645), (364, 7505), (380, 7189), (395, 6916), (455, 6004), (494, 5530), (532, 5135), (553, 4940), (665, 4108), (790, 3458), (910, 3002), (988, 2765), (1027, 2660), (1106, 2470), (1235, 2212), (1330, 2054), (1501, 1820), (1580, 1729)]