31695950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 108

約数和(自身を含む): 72432864

約数和(自身を除く): 40736914

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 31, 50, 55, 62, 65, 110, 121, 130, 143, 155, 169, 242, 275, 286, 310, 325, 338, 341, 403, 550, 605, 650, 682, 715, 775, 806, 845, 1210, 1430, 1550, 1573, 1690, 1705, 1859, 2015, 3025, 3146, 3410, 3575, 3718, 3751, 4030, 4225, 4433, 5239, 6050, 7150, 7502, 7865, 8450, 8525, 8866, 9295, 10075, 10478, 15730, 17050, 18590, 18755, 20150, 20449, 22165, 26195, 37510, 39325, 40898, 44330, 46475, 48763, 52390, 57629, 78650, 92950, 93775, 97526, 102245, 110825, 115258, 130975, 187550, 204490, 221650, 243815, 261950, 288145, 487630, 511225, 576290, 633919, 1022450, 1219075, 1267838, 1440725, 2438150, 2881450, 3169595, 6339190, 15847975, 31695950]

約数ペア:

[(1, 31695950), (2, 15847975), (5, 6339190), (10, 3169595), (11, 2881450), (13, 2438150), (22, 1440725), (25, 1267838), (26, 1219075), (31, 1022450), (50, 633919), (55, 576290), (62, 511225), (65, 487630), (110, 288145), (121, 261950), (130, 243815), (143, 221650), (155, 204490), (169, 187550), (242, 130975), (275, 115258), (286, 110825), (310, 102245), (325, 97526), (338, 93775), (341, 92950), (403, 78650), (550, 57629), (605, 52390), (650, 48763), (682, 46475), (715, 44330), (775, 40898), (806, 39325), (845, 37510), (1210, 26195), (1430, 22165), (1550, 20449), (1573, 20150), (1690, 18755), (1705, 18590), (1859, 17050), (2015, 15730), (3025, 10478), (3146, 10075), (3410, 9295), (3575, 8866), (3718, 8525), (3751, 8450), (4030, 7865), (4225, 7502), (4433, 7150), (5239, 6050)]