85827220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 198051840

約数和(自身を除く): 112224620

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 289, 310, 340, 479, 527, 578, 620, 958, 1054, 1156, 1445, 1916, 2108, 2395, 2635, 2890, 4790, 5270, 5780, 8143, 8959, 9580, 10540, 14849, 16286, 17918, 29698, 32572, 35836, 40715, 44795, 59396, 74245, 81430, 89590, 138431, 148490, 162860, 179180, 252433, 276862, 296980, 504866, 553724, 692155, 1009732, 1262165, 1384310, 2524330, 2768620, 4291361, 5048660, 8582722, 17165444, 21456805, 42913610, 85827220]

約数ペア:

[(1, 85827220), (2, 42913610), (4, 21456805), (5, 17165444), (10, 8582722), (17, 5048660), (20, 4291361), (31, 2768620), (34, 2524330), (62, 1384310), (68, 1262165), (85, 1009732), (124, 692155), (155, 553724), (170, 504866), (289, 296980), (310, 276862), (340, 252433), (479, 179180), (527, 162860), (578, 148490), (620, 138431), (958, 89590), (1054, 81430), (1156, 74245), (1445, 59396), (1916, 44795), (2108, 40715), (2395, 35836), (2635, 32572), (2890, 29698), (4790, 17918), (5270, 16286), (5780, 14849), (8143, 10540), (8959, 9580)]