280144970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{15217}}^1$

素因数の和:15494

約数の個数: 32

約数和(自身を含む): 578527488

約数和(自身を除く): 298382518

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1315, 1841, 2630, 3682, 9205, 15217, 18410, 30434, 76085, 106519, 152170, 213038, 532595, 1065190, 4002071, 8004142, 20010355, 28014497, 40020710, 56028994, 140072485, 280144970]

約数ペア:

[(1, 280144970), (2, 140072485), (5, 56028994), (7, 40020710), (10, 28014497), (14, 20010355), (35, 8004142), (70, 4002071), (263, 1065190), (526, 532595), (1315, 213038), (1841, 152170), (2630, 106519), (3682, 76085), (9205, 30434), (15217, 18410)]