199815178420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69865447}}^1$

素因数の和:69865480

約数の個数: 48

約数和(自身を含む): 492970601088

約数和(自身を除く): 293155422668

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 69865447, 139730894, 279461788, 349327235, 698654470, 768519917, 908250811, 1397308940, 1537039834, 1816501622, 3074079668, 3633003244, 3842599585, 4541254055, 7685199170, 9082508110, 9990758921, 15370398340, 18165016220, 19981517842, 39963035684, 49953794605, 99907589210, 199815178420]

約数ペア:

[(1, 199815178420), (2, 99907589210), (4, 49953794605), (5, 39963035684), (10, 19981517842), (11, 18165016220), (13, 15370398340), (20, 9990758921), (22, 9082508110), (26, 7685199170), (44, 4541254055), (52, 3842599585), (55, 3633003244), (65, 3074079668), (110, 1816501622), (130, 1537039834), (143, 1397308940), (220, 908250811), (260, 768519917), (286, 698654470), (572, 349327235), (715, 279461788), (1430, 139730894), (2860, 69865447)]