2019308900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{811}}^1\times {\mathrm{3557}}^1$

素因数の和:4389

約数の個数: 72

約数和(自身を含む): 5015470656

約数和(自身を除く): 2996161756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 811, 1622, 3244, 3557, 4055, 5677, 7114, 8110, 11354, 14228, 16220, 17785, 20275, 22708, 24899, 28385, 35570, 40550, 49798, 56770, 71140, 81100, 88925, 99596, 113540, 124495, 141925, 177850, 248990, 283850, 355700, 497980, 567700, 622475, 1244950, 2489900, 2884727, 5769454, 11538908, 14423635, 20193089, 28847270, 40386178, 57694540, 72118175, 80772356, 100965445, 144236350, 201930890, 288472700, 403861780, 504827225, 1009654450, 2019308900]

約数ペア:

[(1, 2019308900), (2, 1009654450), (4, 504827225), (5, 403861780), (7, 288472700), (10, 201930890), (14, 144236350), (20, 100965445), (25, 80772356), (28, 72118175), (35, 57694540), (50, 40386178), (70, 28847270), (100, 20193089), (140, 14423635), (175, 11538908), (350, 5769454), (700, 2884727), (811, 2489900), (1622, 1244950), (3244, 622475), (3557, 567700), (4055, 497980), (5677, 355700), (7114, 283850), (8110, 248990), (11354, 177850), (14228, 141925), (16220, 124495), (17785, 113540), (20275, 99596), (22708, 88925), (24899, 81100), (28385, 71140), (35570, 56770), (40550, 49798)]