78242450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 176988672

約数和(自身を除く): 98746222

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 31, 50, 55, 62, 65, 110, 130, 143, 155, 275, 286, 310, 325, 341, 353, 403, 550, 650, 682, 706, 715, 775, 806, 1430, 1550, 1705, 1765, 2015, 3410, 3530, 3575, 3883, 4030, 4433, 4589, 7150, 7766, 8525, 8825, 8866, 9178, 10075, 10943, 17050, 17650, 19415, 20150, 21886, 22165, 22945, 38830, 44330, 45890, 50479, 54715, 97075, 100958, 109430, 110825, 114725, 120373, 142259, 194150, 221650, 229450, 240746, 252395, 273575, 284518, 504790, 547150, 601865, 711295, 1203730, 1261975, 1422590, 1564849, 2523950, 3009325, 3129698, 3556475, 6018650, 7112950, 7824245, 15648490, 39121225, 78242450]

約数ペア:

[(1, 78242450), (2, 39121225), (5, 15648490), (10, 7824245), (11, 7112950), (13, 6018650), (22, 3556475), (25, 3129698), (26, 3009325), (31, 2523950), (50, 1564849), (55, 1422590), (62, 1261975), (65, 1203730), (110, 711295), (130, 601865), (143, 547150), (155, 504790), (275, 284518), (286, 273575), (310, 252395), (325, 240746), (341, 229450), (353, 221650), (403, 194150), (550, 142259), (650, 120373), (682, 114725), (706, 110825), (715, 109430), (775, 100958), (806, 97075), (1430, 54715), (1550, 50479), (1705, 45890), (1765, 44330), (2015, 38830), (3410, 22945), (3530, 22165), (3575, 21886), (3883, 20150), (4030, 19415), (4433, 17650), (4589, 17050), (7150, 10943), (7766, 10075), (8525, 9178), (8825, 8866)]