400805640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1113349}}^1$

素因数の和:1113366

約数の個数: 48

約数和(自身を含む): 1302619500

約数和(自身を除く): 901813860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1113349, 2226698, 3340047, 4453396, 5566745, 6680094, 8906792, 10020141, 11133490, 13360188, 16700235, 20040282, 22266980, 26720376, 33400470, 40080564, 44533960, 50100705, 66800940, 80161128, 100201410, 133601880, 200402820, 400805640]

約数ペア:

[(1, 400805640), (2, 200402820), (3, 133601880), (4, 100201410), (5, 80161128), (6, 66800940), (8, 50100705), (9, 44533960), (10, 40080564), (12, 33400470), (15, 26720376), (18, 22266980), (20, 20040282), (24, 16700235), (30, 13360188), (36, 11133490), (40, 10020141), (45, 8906792), (60, 6680094), (72, 5566745), (90, 4453396), (120, 3340047), (180, 2226698), (360, 1113349)]