222488180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{947}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 495948096

約数和(自身を除く): 273459916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 691, 947, 1382, 1894, 2764, 3455, 3788, 4735, 6910, 9470, 11747, 13820, 16099, 18940, 23494, 32198, 46988, 58735, 64396, 80495, 117470, 160990, 234940, 321980, 654377, 1308754, 2617508, 3271885, 6543770, 11124409, 13087540, 22248818, 44497636, 55622045, 111244090, 222488180]

約数ペア:

[(1, 222488180), (2, 111244090), (4, 55622045), (5, 44497636), (10, 22248818), (17, 13087540), (20, 11124409), (34, 6543770), (68, 3271885), (85, 2617508), (170, 1308754), (340, 654377), (691, 321980), (947, 234940), (1382, 160990), (1894, 117470), (2764, 80495), (3455, 64396), (3788, 58735), (4735, 46988), (6910, 32198), (9470, 23494), (11747, 18940), (13820, 16099)]