172767140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 463325184

約数和(自身を除く): 290558044

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 71, 91, 98, 130, 140, 142, 182, 191, 196, 245, 260, 284, 355, 364, 382, 455, 490, 497, 637, 710, 764, 910, 923, 955, 980, 994, 1274, 1337, 1420, 1820, 1846, 1910, 1988, 2483, 2485, 2548, 2674, 3185, 3479, 3692, 3820, 4615, 4966, 4970, 5348, 6370, 6461, 6685, 6958, 9230, 9359, 9932, 9940, 12415, 12740, 12922, 13370, 13561, 13916, 17381, 17395, 18460, 18718, 24830, 25844, 26740, 27122, 32305, 34762, 34790, 37436, 45227, 46795, 49660, 54244, 64610, 67805, 69524, 69580, 86905, 90454, 93590, 94927, 121667, 129220, 135610, 173810, 176293, 180908, 187180, 189854, 226135, 243334, 271220, 347620, 352586, 379708, 452270, 474635, 486668, 608335, 664489, 705172, 881465, 904540, 949270, 1216670, 1234051, 1328978, 1762930, 1898540, 2433340, 2468102, 2657956, 3322445, 3525860, 4936204, 6170255, 6644890, 8638357, 12340510, 13289780, 17276714, 24681020, 34553428, 43191785, 86383570, 172767140]

約数ペア:

[(1, 172767140), (2, 86383570), (4, 43191785), (5, 34553428), (7, 24681020), (10, 17276714), (13, 13289780), (14, 12340510), (20, 8638357), (26, 6644890), (28, 6170255), (35, 4936204), (49, 3525860), (52, 3322445), (65, 2657956), (70, 2468102), (71, 2433340), (91, 1898540), (98, 1762930), (130, 1328978), (140, 1234051), (142, 1216670), (182, 949270), (191, 904540), (196, 881465), (245, 705172), (260, 664489), (284, 608335), (355, 486668), (364, 474635), (382, 452270), (455, 379708), (490, 352586), (497, 347620), (637, 271220), (710, 243334), (764, 226135), (910, 189854), (923, 187180), (955, 180908), (980, 176293), (994, 173810), (1274, 135610), (1337, 129220), (1420, 121667), (1820, 94927), (1846, 93590), (1910, 90454), (1988, 86905), (2483, 69580), (2485, 69524), (2548, 67805), (2674, 64610), (3185, 54244), (3479, 49660), (3692, 46795), (3820, 45227), (4615, 37436), (4966, 34790), (4970, 34762), (5348, 32305), (6370, 27122), (6461, 26740), (6685, 25844), (6958, 24830), (9230, 18718), (9359, 18460), (9932, 17395), (9940, 17381), (12415, 13916), (12740, 13561), (12922, 13370)]