179909860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 434649600

約数和(自身を除く): 254739740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 79, 95, 130, 158, 190, 247, 260, 316, 380, 395, 461, 494, 790, 922, 988, 1027, 1235, 1501, 1580, 1844, 2054, 2305, 2470, 3002, 4108, 4610, 4940, 5135, 5993, 6004, 7505, 8759, 9220, 10270, 11986, 15010, 17518, 19513, 20540, 23972, 29965, 30020, 35036, 36419, 39026, 43795, 59930, 72838, 78052, 87590, 97565, 113867, 119860, 145676, 175180, 182095, 195130, 227734, 364190, 390260, 455468, 473447, 569335, 691961, 728380, 946894, 1138670, 1383922, 1893788, 2277340, 2367235, 2767844, 3459805, 4734470, 6919610, 8995493, 9468940, 13839220, 17990986, 35981972, 44977465, 89954930, 179909860]

約数ペア:

[(1, 179909860), (2, 89954930), (4, 44977465), (5, 35981972), (10, 17990986), (13, 13839220), (19, 9468940), (20, 8995493), (26, 6919610), (38, 4734470), (52, 3459805), (65, 2767844), (76, 2367235), (79, 2277340), (95, 1893788), (130, 1383922), (158, 1138670), (190, 946894), (247, 728380), (260, 691961), (316, 569335), (380, 473447), (395, 455468), (461, 390260), (494, 364190), (790, 227734), (922, 195130), (988, 182095), (1027, 175180), (1235, 145676), (1501, 119860), (1580, 113867), (1844, 97565), (2054, 87590), (2305, 78052), (2470, 72838), (3002, 59930), (4108, 43795), (4610, 39026), (4940, 36419), (5135, 35036), (5993, 30020), (6004, 29965), (7505, 23972), (8759, 20540), (9220, 19513), (10270, 17518), (11986, 15010)]