22178950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 43747200

約数和(自身を除く): 21568250

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 155, 205, 310, 349, 410, 698, 775, 1025, 1271, 1550, 1745, 2050, 2542, 3490, 6355, 8725, 10819, 12710, 14309, 17450, 21638, 28618, 31775, 54095, 63550, 71545, 108190, 143090, 270475, 357725, 443579, 540950, 715450, 887158, 2217895, 4435790, 11089475, 22178950]

約数ペア:

[(1, 22178950), (2, 11089475), (5, 4435790), (10, 2217895), (25, 887158), (31, 715450), (41, 540950), (50, 443579), (62, 357725), (82, 270475), (155, 143090), (205, 108190), (310, 71545), (349, 63550), (410, 54095), (698, 31775), (775, 28618), (1025, 21638), (1271, 17450), (1550, 14309), (1745, 12710), (2050, 10819), (2542, 8725), (3490, 6355)]