28495390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1657

約数の個数: 64

約数和(自身を含む): 66769920

約数和(自身を除く): 38274530

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1265, 1609, 1610, 1771, 2530, 3218, 3542, 8045, 8855, 11263, 16090, 17699, 17710, 22526, 35398, 37007, 56315, 74014, 88495, 112630, 123893, 176990, 185035, 247786, 259049, 370070, 407077, 518098, 619465, 814154, 1238930, 1295245, 2035385, 2590490, 2849539, 4070770, 5699078, 14247695, 28495390]

約数ペア:

[(1, 28495390), (2, 14247695), (5, 5699078), (7, 4070770), (10, 2849539), (11, 2590490), (14, 2035385), (22, 1295245), (23, 1238930), (35, 814154), (46, 619465), (55, 518098), (70, 407077), (77, 370070), (110, 259049), (115, 247786), (154, 185035), (161, 176990), (230, 123893), (253, 112630), (322, 88495), (385, 74014), (506, 56315), (770, 37007), (805, 35398), (1265, 22526), (1609, 17710), (1610, 17699), (1771, 16090), (2530, 11263), (3218, 8855), (3542, 8045)]