123991010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2797}}^1$

素因数の和:2859

約数の個数: 64

約数和(自身を含む): 270756864

約数和(自身を除く): 146765854

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1705, 2015, 2797, 3410, 4030, 4433, 5594, 8866, 13985, 22165, 27970, 30767, 36361, 44330, 61534, 72722, 86707, 153835, 173414, 181805, 307670, 363610, 399971, 433535, 799942, 867070, 953777, 1127191, 1907554, 1999855, 2254382, 3999710, 4768885, 5635955, 9537770, 11271910, 12399101, 24798202, 61995505, 123991010]

約数ペア:

[(1, 123991010), (2, 61995505), (5, 24798202), (10, 12399101), (11, 11271910), (13, 9537770), (22, 5635955), (26, 4768885), (31, 3999710), (55, 2254382), (62, 1999855), (65, 1907554), (110, 1127191), (130, 953777), (143, 867070), (155, 799942), (286, 433535), (310, 399971), (341, 363610), (403, 307670), (682, 181805), (715, 173414), (806, 153835), (1430, 86707), (1705, 72722), (2015, 61534), (2797, 44330), (3410, 36361), (4030, 30767), (4433, 27970), (5594, 22165), (8866, 13985)]