390787760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{15313}}^1$

素因数の和:15366

約数の個数: 80

約数和(自身を含む): 1025425440

約数和(自身を除く): 634637680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 12760, 15313, 25520, 30626, 61252, 76565, 122504, 153130, 168443, 245008, 306260, 336886, 444077, 612520, 673772, 842215, 888154, 1225040, 1347544, 1684430, 1776308, 2220385, 2695088, 3368860, 3552616, 4440770, 4884847, 6737720, 7105232, 8881540, 9769694, 13475440, 17763080, 19539388, 24424235, 35526160, 39078776, 48848470, 78157552, 97696940, 195393880, 390787760]

約数ペア:

[(1, 390787760), (2, 195393880), (4, 97696940), (5, 78157552), (8, 48848470), (10, 39078776), (11, 35526160), (16, 24424235), (20, 19539388), (22, 17763080), (29, 13475440), (40, 9769694), (44, 8881540), (55, 7105232), (58, 6737720), (80, 4884847), (88, 4440770), (110, 3552616), (116, 3368860), (145, 2695088), (176, 2220385), (220, 1776308), (232, 1684430), (290, 1347544), (319, 1225040), (440, 888154), (464, 842215), (580, 673772), (638, 612520), (880, 444077), (1160, 336886), (1276, 306260), (1595, 245008), (2320, 168443), (2552, 153130), (3190, 122504), (5104, 76565), (6380, 61252), (12760, 30626), (15313, 25520)]