57826780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 139991040

約数和(自身を除く): 82164260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 61, 62, 110, 122, 124, 139, 155, 220, 244, 278, 305, 310, 341, 556, 610, 620, 671, 682, 695, 1220, 1342, 1364, 1390, 1529, 1705, 1891, 2684, 2780, 3058, 3355, 3410, 3782, 4309, 6116, 6710, 6820, 7564, 7645, 8479, 8618, 9455, 13420, 15290, 16958, 17236, 18910, 20801, 21545, 30580, 33916, 37820, 41602, 42395, 43090, 47399, 83204, 84790, 86180, 93269, 94798, 104005, 169580, 186538, 189596, 208010, 236995, 262849, 373076, 416020, 466345, 473990, 525698, 932690, 947980, 1051396, 1314245, 1865380, 2628490, 2891339, 5256980, 5782678, 11565356, 14456695, 28913390, 57826780]

約数ペア:

[(1, 57826780), (2, 28913390), (4, 14456695), (5, 11565356), (10, 5782678), (11, 5256980), (20, 2891339), (22, 2628490), (31, 1865380), (44, 1314245), (55, 1051396), (61, 947980), (62, 932690), (110, 525698), (122, 473990), (124, 466345), (139, 416020), (155, 373076), (220, 262849), (244, 236995), (278, 208010), (305, 189596), (310, 186538), (341, 169580), (556, 104005), (610, 94798), (620, 93269), (671, 86180), (682, 84790), (695, 83204), (1220, 47399), (1342, 43090), (1364, 42395), (1390, 41602), (1529, 37820), (1705, 33916), (1891, 30580), (2684, 21545), (2780, 20801), (3058, 18910), (3355, 17236), (3410, 16958), (3782, 15290), (4309, 13420), (6116, 9455), (6710, 8618), (6820, 8479), (7564, 7645)]