913376740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 2068416000

約数和(自身を除く): 1155039260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 113, 178, 190, 226, 239, 356, 380, 445, 452, 478, 565, 890, 956, 1130, 1195, 1691, 1780, 2147, 2260, 2390, 3382, 4294, 4541, 4780, 6764, 8455, 8588, 9082, 10057, 10735, 16910, 18164, 20114, 21271, 21470, 22705, 27007, 33820, 40228, 42542, 42940, 45410, 50285, 54014, 85084, 90820, 100570, 106355, 108028, 135035, 191083, 201140, 212710, 270070, 382166, 404149, 425420, 513133, 540140, 764332, 808298, 955415, 1026266, 1616596, 1910830, 2020745, 2052532, 2403623, 2565665, 3821660, 4041490, 4807246, 5131330, 8082980, 9614492, 10262660, 12018115, 24036230, 45668837, 48072460, 91337674, 182675348, 228344185, 456688370, 913376740]

約数ペア:

[(1, 913376740), (2, 456688370), (4, 228344185), (5, 182675348), (10, 91337674), (19, 48072460), (20, 45668837), (38, 24036230), (76, 12018115), (89, 10262660), (95, 9614492), (113, 8082980), (178, 5131330), (190, 4807246), (226, 4041490), (239, 3821660), (356, 2565665), (380, 2403623), (445, 2052532), (452, 2020745), (478, 1910830), (565, 1616596), (890, 1026266), (956, 955415), (1130, 808298), (1195, 764332), (1691, 540140), (1780, 513133), (2147, 425420), (2260, 404149), (2390, 382166), (3382, 270070), (4294, 212710), (4541, 201140), (4780, 191083), (6764, 135035), (8455, 108028), (8588, 106355), (9082, 100570), (10057, 90820), (10735, 85084), (16910, 54014), (18164, 50285), (20114, 45410), (21271, 42940), (21470, 42542), (22705, 40228), (27007, 33820)]