28048940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 62469120

約数和(自身を除く): 34420180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 223, 331, 380, 446, 662, 892, 1115, 1324, 1655, 2230, 3310, 4237, 4460, 6289, 6620, 8474, 12578, 16948, 21185, 25156, 31445, 42370, 62890, 73813, 84740, 125780, 147626, 295252, 369065, 738130, 1402447, 1476260, 2804894, 5609788, 7012235, 14024470, 28048940]

約数ペア:

[(1, 28048940), (2, 14024470), (4, 7012235), (5, 5609788), (10, 2804894), (19, 1476260), (20, 1402447), (38, 738130), (76, 369065), (95, 295252), (190, 147626), (223, 125780), (331, 84740), (380, 73813), (446, 62890), (662, 42370), (892, 31445), (1115, 25156), (1324, 21185), (1655, 16948), (2230, 12578), (3310, 8474), (4237, 6620), (4460, 6289)]