156812533420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1\times {\mathrm{2053}}^1$

素因数の和:2795

約数の個数: 96

約数和(自身を含む): 342035366400

約数和(自身を除く): 185222832980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 349, 353, 620, 698, 706, 1396, 1412, 1745, 1765, 2053, 3490, 3530, 4106, 6980, 7060, 8212, 10265, 10819, 10943, 20530, 21638, 21886, 41060, 43276, 43772, 54095, 54715, 63643, 108190, 109430, 123197, 127286, 216380, 218860, 246394, 254572, 318215, 492788, 615985, 636430, 716497, 724709, 1231970, 1272860, 1432994, 1449418, 2463940, 2865988, 2898836, 3582485, 3623545, 3819107, 7164970, 7247090, 7638214, 14329940, 14494180, 15276428, 19095535, 22211407, 22465979, 38191070, 44422814, 44931958, 76382140, 88845628, 89863916, 111057035, 112329895, 222114070, 224659790, 252923441, 444228140, 449319580, 505846882, 1011693764, 1264617205, 2529234410, 5058468820, 7840626671, 15681253342, 31362506684, 39203133355, 78406266710, 156812533420]

約数ペア:

[(1, 156812533420), (2, 78406266710), (4, 39203133355), (5, 31362506684), (10, 15681253342), (20, 7840626671), (31, 5058468820), (62, 2529234410), (124, 1264617205), (155, 1011693764), (310, 505846882), (349, 449319580), (353, 444228140), (620, 252923441), (698, 224659790), (706, 222114070), (1396, 112329895), (1412, 111057035), (1745, 89863916), (1765, 88845628), (2053, 76382140), (3490, 44931958), (3530, 44422814), (4106, 38191070), (6980, 22465979), (7060, 22211407), (8212, 19095535), (10265, 15276428), (10819, 14494180), (10943, 14329940), (20530, 7638214), (21638, 7247090), (21886, 7164970), (41060, 3819107), (43276, 3623545), (43772, 3582485), (54095, 2898836), (54715, 2865988), (63643, 2463940), (108190, 1449418), (109430, 1432994), (123197, 1272860), (127286, 1231970), (216380, 724709), (218860, 716497), (246394, 636430), (254572, 615985), (318215, 492788)]