181902160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2131}}^1$

素因数の和:2252

約数の個数: 80

約数和(自身を含む): 466345152

約数和(自身を除く): 284442992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 485, 776, 880, 970, 1067, 1552, 1940, 2131, 2134, 3880, 4262, 4268, 5335, 7760, 8524, 8536, 10655, 10670, 17048, 17072, 21310, 21340, 23441, 34096, 42620, 42680, 46882, 85240, 85360, 93764, 117205, 170480, 187528, 206707, 234410, 375056, 413414, 468820, 826828, 937640, 1033535, 1653656, 1875280, 2067070, 2273777, 3307312, 4134140, 4547554, 8268280, 9095108, 11368885, 16536560, 18190216, 22737770, 36380432, 45475540, 90951080, 181902160]

約数ペア:

[(1, 181902160), (2, 90951080), (4, 45475540), (5, 36380432), (8, 22737770), (10, 18190216), (11, 16536560), (16, 11368885), (20, 9095108), (22, 8268280), (40, 4547554), (44, 4134140), (55, 3307312), (80, 2273777), (88, 2067070), (97, 1875280), (110, 1653656), (176, 1033535), (194, 937640), (220, 826828), (388, 468820), (440, 413414), (485, 375056), (776, 234410), (880, 206707), (970, 187528), (1067, 170480), (1552, 117205), (1940, 93764), (2131, 85360), (2134, 85240), (3880, 46882), (4262, 42680), (4268, 42620), (5335, 34096), (7760, 23441), (8524, 21340), (8536, 21310), (10655, 17072), (10670, 17048)]