28018550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 72

約数和(自身を含む): 63497424

約数和(自身を除く): 35478874

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 238, 277, 289, 350, 425, 554, 578, 595, 850, 1190, 1385, 1445, 1939, 2023, 2770, 2890, 2975, 3878, 4046, 4709, 5950, 6925, 7225, 9418, 9695, 10115, 13850, 14450, 19390, 20230, 23545, 32963, 47090, 48475, 50575, 65926, 80053, 96950, 101150, 117725, 160106, 164815, 235450, 329630, 400265, 560371, 800530, 824075, 1120742, 1648150, 2001325, 2801855, 4002650, 5603710, 14009275, 28018550]

約数ペア:

[(1, 28018550), (2, 14009275), (5, 5603710), (7, 4002650), (10, 2801855), (14, 2001325), (17, 1648150), (25, 1120742), (34, 824075), (35, 800530), (50, 560371), (70, 400265), (85, 329630), (119, 235450), (170, 164815), (175, 160106), (238, 117725), (277, 101150), (289, 96950), (350, 80053), (425, 65926), (554, 50575), (578, 48475), (595, 47090), (850, 32963), (1190, 23545), (1385, 20230), (1445, 19390), (1939, 14450), (2023, 13850), (2770, 10115), (2890, 9695), (2975, 9418), (3878, 7225), (4046, 6925), (4709, 5950)]