285486520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{6689}}^1$

素因数の和:6808

約数の個数: 64

約数和(自身を含む): 708069600

約数和(自身を除く): 422583080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1940, 2134, 3880, 4268, 5335, 6689, 8536, 10670, 13378, 21340, 26756, 33445, 42680, 53512, 66890, 73579, 133780, 147158, 267560, 294316, 367895, 588632, 648833, 735790, 1297666, 1471580, 2595332, 2943160, 3244165, 5190664, 6488330, 7137163, 12976660, 14274326, 25953320, 28548652, 35685815, 57097304, 71371630, 142743260, 285486520]

約数ペア:

[(1, 285486520), (2, 142743260), (4, 71371630), (5, 57097304), (8, 35685815), (10, 28548652), (11, 25953320), (20, 14274326), (22, 12976660), (40, 7137163), (44, 6488330), (55, 5190664), (88, 3244165), (97, 2943160), (110, 2595332), (194, 1471580), (220, 1297666), (388, 735790), (440, 648833), (485, 588632), (776, 367895), (970, 294316), (1067, 267560), (1940, 147158), (2134, 133780), (3880, 73579), (4268, 66890), (5335, 53512), (6689, 42680), (8536, 33445), (10670, 26756), (13378, 21340)]