2019085880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{136057}}^1$

素因数の和:136128

約数の個数: 64

約数和(自身を含む): 5289935040

約数和(自身を除く): 3270849160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 7420, 14840, 136057, 272114, 544228, 680285, 952399, 1088456, 1360570, 1904798, 2721140, 3809596, 4761995, 5442280, 7211021, 7619192, 9523990, 14422042, 19047980, 28844084, 36055105, 38095960, 50477147, 57688168, 72110210, 100954294, 144220420, 201908588, 252385735, 288440840, 403817176, 504771470, 1009542940, 2019085880]

約数ペア:

[(1, 2019085880), (2, 1009542940), (4, 504771470), (5, 403817176), (7, 288440840), (8, 252385735), (10, 201908588), (14, 144220420), (20, 100954294), (28, 72110210), (35, 57688168), (40, 50477147), (53, 38095960), (56, 36055105), (70, 28844084), (106, 19047980), (140, 14422042), (212, 9523990), (265, 7619192), (280, 7211021), (371, 5442280), (424, 4761995), (530, 3809596), (742, 2721140), (1060, 1904798), (1484, 1360570), (1855, 1088456), (2120, 952399), (2968, 680285), (3710, 544228), (7420, 272114), (14840, 136057)]