31754450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1036

約数の個数: 72

約数和(自身を含む): 74065572

約数和(自身を除く): 42311122

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 910, 997, 1225, 1274, 1994, 2275, 2450, 3185, 4550, 4985, 6370, 6979, 9970, 12961, 13958, 15925, 24925, 25922, 31850, 34895, 48853, 49850, 64805, 69790, 90727, 97706, 129610, 174475, 181454, 244265, 324025, 348950, 453635, 488530, 635089, 648050, 907270, 1221325, 1270178, 2268175, 2442650, 3175445, 4536350, 6350890, 15877225, 31754450]

約数ペア:

[(1, 31754450), (2, 15877225), (5, 6350890), (7, 4536350), (10, 3175445), (13, 2442650), (14, 2268175), (25, 1270178), (26, 1221325), (35, 907270), (49, 648050), (50, 635089), (65, 488530), (70, 453635), (91, 348950), (98, 324025), (130, 244265), (175, 181454), (182, 174475), (245, 129610), (325, 97706), (350, 90727), (455, 69790), (490, 64805), (637, 49850), (650, 48853), (910, 34895), (997, 31850), (1225, 25922), (1274, 24925), (1994, 15925), (2275, 13958), (2450, 12961), (3185, 9970), (4550, 6979), (4985, 6370)]