419082640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{308149}}^1$

素因数の和:308179

約数の個数: 40

約数和(自身を含む): 1031686200

約数和(自身を除く): 612603560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 308149, 616298, 1232596, 1540745, 2465192, 3081490, 4930384, 5238533, 6162980, 10477066, 12325960, 20954132, 24651920, 26192665, 41908264, 52385330, 83816528, 104770660, 209541320, 419082640]

約数ペア:

[(1, 419082640), (2, 209541320), (4, 104770660), (5, 83816528), (8, 52385330), (10, 41908264), (16, 26192665), (17, 24651920), (20, 20954132), (34, 12325960), (40, 10477066), (68, 6162980), (80, 5238533), (85, 4930384), (136, 3081490), (170, 2465192), (272, 1540745), (340, 1232596), (680, 616298), (1360, 308149)]