31393180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 83091456

約数和(自身を除く): 51698276

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 52, 65, 70, 91, 94, 130, 140, 182, 188, 235, 260, 329, 364, 367, 455, 470, 611, 658, 734, 910, 940, 1222, 1316, 1468, 1645, 1820, 1835, 2444, 2569, 3055, 3290, 3670, 4277, 4771, 5138, 6110, 6580, 7340, 8554, 9542, 10276, 12220, 12845, 17108, 17249, 19084, 21385, 23855, 25690, 33397, 34498, 42770, 47710, 51380, 66794, 68996, 85540, 86245, 95420, 120743, 133588, 166985, 172490, 224237, 241486, 333970, 344980, 448474, 482972, 603715, 667940, 896948, 1121185, 1207430, 1569659, 2242370, 2414860, 3139318, 4484740, 6278636, 7848295, 15696590, 31393180]

約数ペア:

[(1, 31393180), (2, 15696590), (4, 7848295), (5, 6278636), (7, 4484740), (10, 3139318), (13, 2414860), (14, 2242370), (20, 1569659), (26, 1207430), (28, 1121185), (35, 896948), (47, 667940), (52, 603715), (65, 482972), (70, 448474), (91, 344980), (94, 333970), (130, 241486), (140, 224237), (182, 172490), (188, 166985), (235, 133588), (260, 120743), (329, 95420), (364, 86245), (367, 85540), (455, 68996), (470, 66794), (611, 51380), (658, 47710), (734, 42770), (910, 34498), (940, 33397), (1222, 25690), (1316, 23855), (1468, 21385), (1645, 19084), (1820, 17249), (1835, 17108), (2444, 12845), (2569, 12220), (3055, 10276), (3290, 9542), (3670, 8554), (4277, 7340), (4771, 6580), (5138, 6110)]