144065980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4799}}^1$

素因数の和:4906

約数の個数: 48

約数和(自身を含む): 322560000

約数和(自身を除く): 178494020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 4799, 6004, 7505, 9598, 15010, 19196, 23995, 30020, 47990, 91181, 95980, 182362, 364724, 379121, 455905, 758242, 911810, 1516484, 1823620, 1895605, 3791210, 7203299, 7582420, 14406598, 28813196, 36016495, 72032990, 144065980]

約数ペア:

[(1, 144065980), (2, 72032990), (4, 36016495), (5, 28813196), (10, 14406598), (19, 7582420), (20, 7203299), (38, 3791210), (76, 1895605), (79, 1823620), (95, 1516484), (158, 911810), (190, 758242), (316, 455905), (380, 379121), (395, 364724), (790, 182362), (1501, 95980), (1580, 91181), (3002, 47990), (4799, 30020), (6004, 23995), (7505, 19196), (9598, 15010)]