202866170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 412231680

約数和(自身を除く): 209365510

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 71, 130, 142, 155, 310, 355, 403, 709, 710, 806, 923, 1418, 1846, 2015, 2201, 3545, 4030, 4402, 4615, 7090, 9217, 9230, 11005, 18434, 21979, 22010, 28613, 43958, 46085, 50339, 57226, 92170, 100678, 109895, 143065, 219790, 251695, 285727, 286130, 503390, 571454, 654407, 1308814, 1428635, 1560509, 2857270, 3121018, 3272035, 6544070, 7802545, 15605090, 20286617, 40573234, 101433085, 202866170]

約数ペア:

[(1, 202866170), (2, 101433085), (5, 40573234), (10, 20286617), (13, 15605090), (26, 7802545), (31, 6544070), (62, 3272035), (65, 3121018), (71, 2857270), (130, 1560509), (142, 1428635), (155, 1308814), (310, 654407), (355, 571454), (403, 503390), (709, 286130), (710, 285727), (806, 251695), (923, 219790), (1418, 143065), (1846, 109895), (2015, 100678), (2201, 92170), (3545, 57226), (4030, 50339), (4402, 46085), (4615, 43958), (7090, 28613), (9217, 22010), (9230, 21979), (11005, 18434)]