178125380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15121}}^1$

素因数の和:15180

約数の個数: 48

約数和(自身を含む): 406479360

約数和(自身を除く): 228353980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 15121, 30242, 60484, 75605, 151210, 287299, 302420, 468751, 574598, 937502, 1149196, 1436495, 1875004, 2343755, 2872990, 4687510, 5745980, 8906269, 9375020, 17812538, 35625076, 44531345, 89062690, 178125380]

約数ペア:

[(1, 178125380), (2, 89062690), (4, 44531345), (5, 35625076), (10, 17812538), (19, 9375020), (20, 8906269), (31, 5745980), (38, 4687510), (62, 2872990), (76, 2343755), (95, 1875004), (124, 1436495), (155, 1149196), (190, 937502), (310, 574598), (380, 468751), (589, 302420), (620, 287299), (1178, 151210), (2356, 75605), (2945, 60484), (5890, 30242), (11780, 15121)]