12278109890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{9719}}^1$

素因数の和:9915

約数の個数: 64

約数和(自身を含む): 23864544000

約数和(自身を除く): 11586434110

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 109, 122, 190, 218, 305, 545, 610, 1090, 1159, 2071, 2318, 4142, 5795, 6649, 9719, 10355, 11590, 13298, 19438, 20710, 33245, 48595, 66490, 97190, 126331, 184661, 252662, 369322, 592859, 631655, 923305, 1059371, 1185718, 1263310, 1846610, 2118742, 2964295, 5296855, 5928590, 10593710, 11264321, 20128049, 22528642, 40256098, 56321605, 64621631, 100640245, 112643210, 129243262, 201280490, 323108155, 646216310, 1227810989, 2455621978, 6139054945, 12278109890]

約数ペア:

[(1, 12278109890), (2, 6139054945), (5, 2455621978), (10, 1227810989), (19, 646216310), (38, 323108155), (61, 201280490), (95, 129243262), (109, 112643210), (122, 100640245), (190, 64621631), (218, 56321605), (305, 40256098), (545, 22528642), (610, 20128049), (1090, 11264321), (1159, 10593710), (2071, 5928590), (2318, 5296855), (4142, 2964295), (5795, 2118742), (6649, 1846610), (9719, 1263310), (10355, 1185718), (11590, 1059371), (13298, 923305), (19438, 631655), (20710, 592859), (33245, 369322), (48595, 252662), (66490, 184661), (97190, 126331)]