755122180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{1229}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 1639895040

約数和(自身を除く): 884772860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 991, 1229, 1982, 2458, 3964, 4916, 4955, 6145, 9910, 12290, 19820, 24580, 30721, 38099, 61442, 76198, 122884, 152396, 153605, 190495, 307210, 380990, 614420, 761980, 1217939, 2435878, 4871756, 6089695, 12179390, 24358780, 37756109, 75512218, 151024436, 188780545, 377561090, 755122180]

約数ペア:

[(1, 755122180), (2, 377561090), (4, 188780545), (5, 151024436), (10, 75512218), (20, 37756109), (31, 24358780), (62, 12179390), (124, 6089695), (155, 4871756), (310, 2435878), (620, 1217939), (991, 761980), (1229, 614420), (1982, 380990), (2458, 307210), (3964, 190495), (4916, 153605), (4955, 152396), (6145, 122884), (9910, 76198), (12290, 61442), (19820, 38099), (24580, 30721)]