285414320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 680581440

約数和(自身を除く): 395167120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 109, 142, 218, 284, 355, 436, 461, 545, 568, 710, 872, 922, 1090, 1136, 1420, 1744, 1844, 2180, 2305, 2840, 3688, 4360, 4610, 5680, 7376, 7739, 8720, 9220, 15478, 18440, 30956, 32731, 36880, 38695, 50249, 61912, 65462, 77390, 100498, 123824, 130924, 154780, 163655, 200996, 251245, 261848, 309560, 327310, 401992, 502490, 523696, 619120, 654620, 803984, 1004980, 1309240, 2009960, 2618480, 3567679, 4019920, 7135358, 14270716, 17838395, 28541432, 35676790, 57082864, 71353580, 142707160, 285414320]

約数ペア:

[(1, 285414320), (2, 142707160), (4, 71353580), (5, 57082864), (8, 35676790), (10, 28541432), (16, 17838395), (20, 14270716), (40, 7135358), (71, 4019920), (80, 3567679), (109, 2618480), (142, 2009960), (218, 1309240), (284, 1004980), (355, 803984), (436, 654620), (461, 619120), (545, 523696), (568, 502490), (710, 401992), (872, 327310), (922, 309560), (1090, 261848), (1136, 251245), (1420, 200996), (1744, 163655), (1844, 154780), (2180, 130924), (2305, 123824), (2840, 100498), (3688, 77390), (4360, 65462), (4610, 61912), (5680, 50249), (7376, 38695), (7739, 36880), (8720, 32731), (9220, 30956), (15478, 18440)]