16417940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1523}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 43781472

約数和(自身を除く): 27363532

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1523, 1540, 2156, 2695, 3046, 5390, 6092, 7615, 10661, 10780, 15230, 16753, 21322, 30460, 33506, 42644, 53305, 67012, 74627, 83765, 106610, 117271, 149254, 167530, 213220, 234542, 298508, 335060, 373135, 469084, 586355, 746270, 820897, 1172710, 1492540, 1641794, 2345420, 3283588, 4104485, 8208970, 16417940]

約数ペア:

[(1, 16417940), (2, 8208970), (4, 4104485), (5, 3283588), (7, 2345420), (10, 1641794), (11, 1492540), (14, 1172710), (20, 820897), (22, 746270), (28, 586355), (35, 469084), (44, 373135), (49, 335060), (55, 298508), (70, 234542), (77, 213220), (98, 167530), (110, 149254), (140, 117271), (154, 106610), (196, 83765), (220, 74627), (245, 67012), (308, 53305), (385, 42644), (490, 33506), (539, 30460), (770, 21322), (980, 16753), (1078, 15230), (1523, 10780), (1540, 10661), (2156, 7615), (2695, 6092), (3046, 5390)]