28704870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1619}}^1$

素因数の和:1829

約数の個数: 48

約数和(自身を含む): 75057840

約数和(自身を除く): 46352970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 197, 394, 591, 985, 1182, 1619, 1773, 1970, 2955, 3238, 3546, 4857, 5910, 8095, 8865, 9714, 14571, 16190, 17730, 24285, 29142, 48570, 72855, 145710, 318943, 637886, 956829, 1594715, 1913658, 2870487, 3189430, 4784145, 5740974, 9568290, 14352435, 28704870]

約数ペア:

[(1, 28704870), (2, 14352435), (3, 9568290), (5, 5740974), (6, 4784145), (9, 3189430), (10, 2870487), (15, 1913658), (18, 1594715), (30, 956829), (45, 637886), (90, 318943), (197, 145710), (394, 72855), (591, 48570), (985, 29142), (1182, 24285), (1619, 17730), (1773, 16190), (1970, 14571), (2955, 9714), (3238, 8865), (3546, 8095), (4857, 5910)]