319744540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27143}}^1$

素因数の和:27202

約数の個数: 48

約数和(自身を含む): 729630720

約数和(自身を除く): 409886180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 27143, 54286, 108572, 135715, 271430, 515717, 542860, 841433, 1031434, 1682866, 2062868, 2578585, 3365732, 4207165, 5157170, 8414330, 10314340, 15987227, 16828660, 31974454, 63948908, 79936135, 159872270, 319744540]

約数ペア:

[(1, 319744540), (2, 159872270), (4, 79936135), (5, 63948908), (10, 31974454), (19, 16828660), (20, 15987227), (31, 10314340), (38, 8414330), (62, 5157170), (76, 4207165), (95, 3365732), (124, 2578585), (155, 2062868), (190, 1682866), (310, 1031434), (380, 841433), (589, 542860), (620, 515717), (1178, 271430), (2356, 135715), (2945, 108572), (5890, 54286), (11780, 27143)]