78481900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{587}}^1$

素因数の和:799

約数の個数: 72

約数和(自身を含む): 195987456

約数和(自身を除く): 117505556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 191, 350, 382, 587, 700, 764, 955, 1174, 1337, 1910, 2348, 2674, 2935, 3820, 4109, 4775, 5348, 5870, 6685, 8218, 9550, 11740, 13370, 14675, 16436, 19100, 20545, 26740, 29350, 33425, 41090, 58700, 66850, 82180, 102725, 112117, 133700, 205450, 224234, 410900, 448468, 560585, 784819, 1121170, 1569638, 2242340, 2802925, 3139276, 3924095, 5605850, 7848190, 11211700, 15696380, 19620475, 39240950, 78481900]

約数ペア:

[(1, 78481900), (2, 39240950), (4, 19620475), (5, 15696380), (7, 11211700), (10, 7848190), (14, 5605850), (20, 3924095), (25, 3139276), (28, 2802925), (35, 2242340), (50, 1569638), (70, 1121170), (100, 784819), (140, 560585), (175, 448468), (191, 410900), (350, 224234), (382, 205450), (587, 133700), (700, 112117), (764, 102725), (955, 82180), (1174, 66850), (1337, 58700), (1910, 41090), (2348, 33425), (2674, 29350), (2935, 26740), (3820, 20545), (4109, 19100), (4775, 16436), (5348, 14675), (5870, 13370), (6685, 11740), (8218, 9550)]