164180380

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 120

約数和(自身を含む): 434804832

約数和(自身を除く): 270624452

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 263, 343, 364, 455, 490, 526, 637, 686, 910, 980, 1052, 1274, 1315, 1372, 1715, 1820, 1841, 2401, 2548, 2630, 3185, 3419, 3430, 3682, 4459, 4802, 5260, 6370, 6838, 6860, 7364, 8918, 9205, 9604, 12005, 12740, 12887, 13676, 17095, 17836, 18410, 22295, 23933, 24010, 25774, 31213, 34190, 36820, 44590, 47866, 48020, 51548, 62426, 64435, 68380, 89180, 90209, 95732, 119665, 124852, 128870, 156065, 167531, 180418, 239330, 257740, 312130, 335062, 360836, 451045, 478660, 624260, 631463, 670124, 837655, 902090, 1172717, 1262926, 1675310, 1804180, 2345434, 2525852, 3157315, 3350620, 4690868, 5863585, 6314630, 8209019, 11727170, 12629260, 16418038, 23454340, 32836076, 41045095, 82090190, 164180380]

約数ペア:

[(1, 164180380), (2, 82090190), (4, 41045095), (5, 32836076), (7, 23454340), (10, 16418038), (13, 12629260), (14, 11727170), (20, 8209019), (26, 6314630), (28, 5863585), (35, 4690868), (49, 3350620), (52, 3157315), (65, 2525852), (70, 2345434), (91, 1804180), (98, 1675310), (130, 1262926), (140, 1172717), (182, 902090), (196, 837655), (245, 670124), (260, 631463), (263, 624260), (343, 478660), (364, 451045), (455, 360836), (490, 335062), (526, 312130), (637, 257740), (686, 239330), (910, 180418), (980, 167531), (1052, 156065), (1274, 128870), (1315, 124852), (1372, 119665), (1715, 95732), (1820, 90209), (1841, 89180), (2401, 68380), (2548, 64435), (2630, 62426), (3185, 51548), (3419, 48020), (3430, 47866), (3682, 44590), (4459, 36820), (4802, 34190), (5260, 31213), (6370, 25774), (6838, 24010), (6860, 23933), (7364, 22295), (8918, 18410), (9205, 17836), (9604, 17095), (12005, 13676), (12740, 12887)]