287757890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{5197}}^1$

素因数の和:5331

約数の個数: 48

約数和(自身を含む): 607978872

約数和(自身を除く): 320220982

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 113, 226, 245, 490, 565, 791, 1130, 1582, 3955, 5197, 5537, 7910, 10394, 11074, 25985, 27685, 36379, 51970, 55370, 72758, 181895, 254653, 363790, 509306, 587261, 1174522, 1273265, 2546530, 2936305, 4110827, 5872610, 8221654, 20554135, 28775789, 41108270, 57551578, 143878945, 287757890]

約数ペア:

[(1, 287757890), (2, 143878945), (5, 57551578), (7, 41108270), (10, 28775789), (14, 20554135), (35, 8221654), (49, 5872610), (70, 4110827), (98, 2936305), (113, 2546530), (226, 1273265), (245, 1174522), (490, 587261), (565, 509306), (791, 363790), (1130, 254653), (1582, 181895), (3955, 72758), (5197, 55370), (5537, 51970), (7910, 36379), (10394, 27685), (11074, 25985)]