201100100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{64871}}^1$

素因数の和:64916

約数の個数: 36

約数和(自身を含む): 450471168

約数和(自身を除く): 249371068

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 64871, 129742, 259484, 324355, 648710, 1297420, 1621775, 2011001, 3243550, 4022002, 6487100, 8044004, 10055005, 20110010, 40220020, 50275025, 100550050, 201100100]

約数ペア:

[(1, 201100100), (2, 100550050), (4, 50275025), (5, 40220020), (10, 20110010), (20, 10055005), (25, 8044004), (31, 6487100), (50, 4022002), (62, 3243550), (100, 2011001), (124, 1621775), (155, 1297420), (310, 648710), (620, 324355), (775, 259484), (1550, 129742), (3100, 64871)]