2145260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 5005056

約数和(自身を除く): 2859796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 223, 260, 370, 446, 481, 740, 892, 962, 1115, 1924, 2230, 2405, 2899, 4460, 4810, 5798, 8251, 9620, 11596, 14495, 16502, 28990, 33004, 41255, 57980, 82510, 107263, 165020, 214526, 429052, 536315, 1072630, 2145260]

約数ペア:

[(1, 2145260), (2, 1072630), (4, 536315), (5, 429052), (10, 214526), (13, 165020), (20, 107263), (26, 82510), (37, 57980), (52, 41255), (65, 33004), (74, 28990), (130, 16502), (148, 14495), (185, 11596), (223, 9620), (260, 8251), (370, 5798), (446, 4810), (481, 4460), (740, 2899), (892, 2405), (962, 2230), (1115, 1924)]