31001540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4799}}^1$

素因数の和:4844

約数の個数: 48

約数和(自身を含む): 72576000

約数和(自身を除く): 41574460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 4799, 6460, 9598, 19196, 23995, 47990, 81583, 91181, 95980, 163166, 182362, 326332, 364724, 407915, 455905, 815830, 911810, 1550077, 1631660, 1823620, 3100154, 6200308, 7750385, 15500770, 31001540]

約数ペア:

[(1, 31001540), (2, 15500770), (4, 7750385), (5, 6200308), (10, 3100154), (17, 1823620), (19, 1631660), (20, 1550077), (34, 911810), (38, 815830), (68, 455905), (76, 407915), (85, 364724), (95, 326332), (170, 182362), (190, 163166), (323, 95980), (340, 91181), (380, 81583), (646, 47990), (1292, 23995), (1615, 19196), (3230, 9598), (4799, 6460)]