920396840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 2313360000

約数和(自身を除く): 1392963160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 139, 149, 202, 220, 278, 298, 404, 440, 505, 556, 596, 695, 745, 808, 1010, 1111, 1112, 1192, 1390, 1490, 1529, 1639, 2020, 2222, 2780, 2980, 3058, 3278, 4040, 4444, 5555, 5560, 5960, 6116, 6556, 7645, 8195, 8888, 11110, 12232, 13112, 14039, 15049, 15290, 16390, 20711, 22220, 28078, 30098, 30580, 32780, 41422, 44440, 56156, 60196, 61160, 65560, 70195, 75245, 82844, 103555, 112312, 120392, 140390, 150490, 154429, 165539, 165688, 207110, 227821, 280780, 300980, 308858, 331078, 414220, 455642, 561560, 601960, 617716, 662156, 772145, 827695, 828440, 911284, 1139105, 1235432, 1324312, 1544290, 1655390, 1822568, 2091811, 2278210, 3088580, 3310780, 4183622, 4556420, 6177160, 6621560, 8367244, 9112840, 10459055, 16734488, 20918110, 23009921, 41836220, 46019842, 83672440, 92039684, 115049605, 184079368, 230099210, 460198420, 920396840]

約数ペア:

[(1, 920396840), (2, 460198420), (4, 230099210), (5, 184079368), (8, 115049605), (10, 92039684), (11, 83672440), (20, 46019842), (22, 41836220), (40, 23009921), (44, 20918110), (55, 16734488), (88, 10459055), (101, 9112840), (110, 8367244), (139, 6621560), (149, 6177160), (202, 4556420), (220, 4183622), (278, 3310780), (298, 3088580), (404, 2278210), (440, 2091811), (505, 1822568), (556, 1655390), (596, 1544290), (695, 1324312), (745, 1235432), (808, 1139105), (1010, 911284), (1111, 828440), (1112, 827695), (1192, 772145), (1390, 662156), (1490, 617716), (1529, 601960), (1639, 561560), (2020, 455642), (2222, 414220), (2780, 331078), (2980, 308858), (3058, 300980), (3278, 280780), (4040, 227821), (4444, 207110), (5555, 165688), (5560, 165539), (5960, 154429), (6116, 150490), (6556, 140390), (7645, 120392), (8195, 112312), (8888, 103555), (11110, 82844), (12232, 75245), (13112, 70195), (14039, 65560), (15049, 61160), (15290, 60196), (16390, 56156), (20711, 44440), (22220, 41422), (28078, 32780), (30098, 30580)]