389623690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{2917}}^1$

素因数の和:2999

約数の個数: 48

約数和(自身を含む): 760442472

約数和(自身を除く): 370818782

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 361, 370, 703, 722, 1406, 1805, 2917, 3515, 3610, 5834, 7030, 13357, 14585, 26714, 29170, 55423, 66785, 107929, 110846, 133570, 215858, 277115, 539645, 554230, 1053037, 1079290, 2050651, 2106074, 4101302, 5265185, 10253255, 10530370, 20506510, 38962369, 77924738, 194811845, 389623690]

約数ペア:

[(1, 389623690), (2, 194811845), (5, 77924738), (10, 38962369), (19, 20506510), (37, 10530370), (38, 10253255), (74, 5265185), (95, 4101302), (185, 2106074), (190, 2050651), (361, 1079290), (370, 1053037), (703, 554230), (722, 539645), (1406, 277115), (1805, 215858), (2917, 133570), (3515, 110846), (3610, 107929), (5834, 66785), (7030, 55423), (13357, 29170), (14585, 26714)]