28388970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 77922000

約数和(自身を除く): 49533030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 73, 87, 90, 145, 146, 149, 174, 219, 261, 290, 298, 365, 435, 438, 447, 522, 657, 730, 745, 870, 894, 1095, 1305, 1314, 1341, 1490, 2117, 2190, 2235, 2610, 2682, 3285, 4234, 4321, 4470, 6351, 6570, 6705, 8642, 10585, 10877, 12702, 12963, 13410, 19053, 21170, 21605, 21754, 25926, 31755, 32631, 38106, 38889, 43210, 54385, 63510, 64815, 65262, 77778, 95265, 97893, 108770, 129630, 163155, 190530, 194445, 195786, 315433, 326310, 388890, 489465, 630866, 946299, 978930, 1577165, 1892598, 2838897, 3154330, 4731495, 5677794, 9462990, 14194485, 28388970]

約数ペア:

[(1, 28388970), (2, 14194485), (3, 9462990), (5, 5677794), (6, 4731495), (9, 3154330), (10, 2838897), (15, 1892598), (18, 1577165), (29, 978930), (30, 946299), (45, 630866), (58, 489465), (73, 388890), (87, 326310), (90, 315433), (145, 195786), (146, 194445), (149, 190530), (174, 163155), (219, 129630), (261, 108770), (290, 97893), (298, 95265), (365, 77778), (435, 65262), (438, 64815), (447, 63510), (522, 54385), (657, 43210), (730, 38889), (745, 38106), (870, 32631), (894, 31755), (1095, 25926), (1305, 21754), (1314, 21605), (1341, 21170), (1490, 19053), (2117, 13410), (2190, 12963), (2235, 12702), (2610, 10877), (2682, 10585), (3285, 8642), (4234, 6705), (4321, 6570), (4470, 6351)]