199901300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{6917}}^1$

素因数の和:6965

約数の個数: 54

約数和(自身を含む): 460870242

約数和(自身を除く): 260968942

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 850, 1156, 1445, 1700, 2890, 5780, 6917, 7225, 13834, 14450, 27668, 28900, 34585, 69170, 117589, 138340, 172925, 235178, 345850, 470356, 587945, 691700, 1175890, 1999013, 2351780, 2939725, 3998026, 5879450, 7996052, 9995065, 11758900, 19990130, 39980260, 49975325, 99950650, 199901300]

約数ペア:

[(1, 199901300), (2, 99950650), (4, 49975325), (5, 39980260), (10, 19990130), (17, 11758900), (20, 9995065), (25, 7996052), (34, 5879450), (50, 3998026), (68, 2939725), (85, 2351780), (100, 1999013), (170, 1175890), (289, 691700), (340, 587945), (425, 470356), (578, 345850), (850, 235178), (1156, 172925), (1445, 138340), (1700, 117589), (2890, 69170), (5780, 34585), (6917, 28900), (7225, 27668), (13834, 14450)]