172071790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 391910400

約数和(自身を除く): 219838610

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 29, 34, 38, 55, 58, 85, 95, 110, 145, 167, 170, 187, 190, 209, 290, 319, 323, 334, 374, 418, 493, 551, 638, 646, 835, 935, 986, 1045, 1102, 1595, 1615, 1670, 1837, 1870, 2090, 2465, 2755, 2839, 3173, 3190, 3230, 3553, 3674, 4843, 4930, 5423, 5510, 5678, 6061, 6346, 7106, 9185, 9367, 9686, 10846, 12122, 14195, 15865, 17765, 18370, 18734, 24215, 27115, 28390, 30305, 31229, 31730, 34903, 35530, 46835, 48430, 53273, 53941, 54230, 60610, 62458, 69806, 82331, 92017, 93670, 103037, 106546, 107882, 156145, 164662, 174515, 184034, 206074, 266365, 269705, 312290, 349030, 411655, 460085, 515185, 532730, 539410, 593351, 823310, 905641, 920170, 1012187, 1030370, 1186702, 1564289, 1811282, 2024374, 2966755, 3128578, 4528205, 5060935, 5933510, 7821445, 9056410, 10121870, 15642890, 17207179, 34414358, 86035895, 172071790]

約数ペア:

[(1, 172071790), (2, 86035895), (5, 34414358), (10, 17207179), (11, 15642890), (17, 10121870), (19, 9056410), (22, 7821445), (29, 5933510), (34, 5060935), (38, 4528205), (55, 3128578), (58, 2966755), (85, 2024374), (95, 1811282), (110, 1564289), (145, 1186702), (167, 1030370), (170, 1012187), (187, 920170), (190, 905641), (209, 823310), (290, 593351), (319, 539410), (323, 532730), (334, 515185), (374, 460085), (418, 411655), (493, 349030), (551, 312290), (638, 269705), (646, 266365), (835, 206074), (935, 184034), (986, 174515), (1045, 164662), (1102, 156145), (1595, 107882), (1615, 106546), (1670, 103037), (1837, 93670), (1870, 92017), (2090, 82331), (2465, 69806), (2755, 62458), (2839, 60610), (3173, 54230), (3190, 53941), (3230, 53273), (3553, 48430), (3674, 46835), (4843, 35530), (4930, 34903), (5423, 31730), (5510, 31229), (5678, 30305), (6061, 28390), (6346, 27115), (7106, 24215), (9185, 18734), (9367, 18370), (9686, 17765), (10846, 15865), (12122, 14195)]