521197100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 1163550528

約数和(自身を除く): 642353428

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 173, 188, 235, 346, 470, 641, 692, 865, 940, 1175, 1282, 1730, 2350, 2564, 3205, 3460, 4325, 4700, 6410, 8131, 8650, 12820, 16025, 16262, 17300, 30127, 32050, 32524, 40655, 60254, 64100, 81310, 110893, 120508, 150635, 162620, 203275, 221786, 301270, 406550, 443572, 554465, 602540, 753175, 813100, 1108930, 1506350, 2217860, 2772325, 3012700, 5211971, 5544650, 10423942, 11089300, 20847884, 26059855, 52119710, 104239420, 130299275, 260598550, 521197100]

約数ペア:

[(1, 521197100), (2, 260598550), (4, 130299275), (5, 104239420), (10, 52119710), (20, 26059855), (25, 20847884), (47, 11089300), (50, 10423942), (94, 5544650), (100, 5211971), (173, 3012700), (188, 2772325), (235, 2217860), (346, 1506350), (470, 1108930), (641, 813100), (692, 753175), (865, 602540), (940, 554465), (1175, 443572), (1282, 406550), (1730, 301270), (2350, 221786), (2564, 203275), (3205, 162620), (3460, 150635), (4325, 120508), (4700, 110893), (6410, 81310), (8131, 64100), (8650, 60254), (12820, 40655), (16025, 32524), (16262, 32050), (17300, 30127)]