479998980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{888887}}^1$

素因数の和:888905

約数の個数: 48

約数和(自身を含む): 1493331840

約数和(自身を除く): 1013332860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 888887, 1777774, 2666661, 3555548, 4444435, 5333322, 7999983, 8888870, 10666644, 13333305, 15999966, 17777740, 23999949, 26666610, 31999932, 39999915, 47999898, 53333220, 79999830, 95999796, 119999745, 159999660, 239999490, 479998980]

約数ペア:

[(1, 479998980), (2, 239999490), (3, 159999660), (4, 119999745), (5, 95999796), (6, 79999830), (9, 53333220), (10, 47999898), (12, 39999915), (15, 31999932), (18, 26666610), (20, 23999949), (27, 17777740), (30, 15999966), (36, 13333305), (45, 10666644), (54, 8888870), (60, 7999983), (90, 5333322), (108, 4444435), (135, 3555548), (180, 2666661), (270, 1777774), (540, 888887)]