90367940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 214220160

約数和(自身を除く): 123852220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 59, 65, 86, 118, 130, 137, 172, 215, 236, 260, 274, 295, 430, 548, 559, 590, 685, 767, 860, 1118, 1180, 1370, 1534, 1781, 2236, 2537, 2740, 2795, 3068, 3562, 3835, 5074, 5590, 5891, 7124, 7670, 8083, 8905, 10148, 11180, 11782, 12685, 15340, 16166, 17810, 23564, 25370, 29455, 32332, 32981, 35620, 40415, 50740, 58910, 65962, 76583, 80830, 105079, 117820, 131924, 153166, 161660, 164905, 210158, 306332, 329810, 347569, 382915, 420316, 525395, 659620, 695138, 765830, 1050790, 1390276, 1531660, 1737845, 2101580, 3475690, 4518397, 6951380, 9036794, 18073588, 22591985, 45183970, 90367940]

約数ペア:

[(1, 90367940), (2, 45183970), (4, 22591985), (5, 18073588), (10, 9036794), (13, 6951380), (20, 4518397), (26, 3475690), (43, 2101580), (52, 1737845), (59, 1531660), (65, 1390276), (86, 1050790), (118, 765830), (130, 695138), (137, 659620), (172, 525395), (215, 420316), (236, 382915), (260, 347569), (274, 329810), (295, 306332), (430, 210158), (548, 164905), (559, 161660), (590, 153166), (685, 131924), (767, 117820), (860, 105079), (1118, 80830), (1180, 76583), (1370, 65962), (1534, 58910), (1781, 50740), (2236, 40415), (2537, 35620), (2740, 32981), (2795, 32332), (3068, 29455), (3562, 25370), (3835, 23564), (5074, 17810), (5590, 16166), (5891, 15340), (7124, 12685), (7670, 11782), (8083, 11180), (8905, 10148)]