319963648

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1129

約数の個数: 80

約数和(自身を含む): 695312640

約数和(自身を除く): 375348992

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 512, 589, 608, 992, 1061, 1178, 1216, 1984, 2122, 2356, 2432, 3968, 4244, 4712, 4864, 7936, 8488, 9424, 9728, 15872, 16976, 18848, 20159, 32891, 33952, 37696, 40318, 65782, 67904, 75392, 80636, 131564, 135808, 150784, 161272, 263128, 271616, 301568, 322544, 526256, 543232, 624929, 645088, 1052512, 1249858, 1290176, 2105024, 2499716, 2580352, 4210048, 4999432, 5160704, 8420096, 9998864, 10321408, 16840192, 19997728, 39995456, 79990912, 159981824, 319963648]

約数ペア:

[(1, 319963648), (2, 159981824), (4, 79990912), (8, 39995456), (16, 19997728), (19, 16840192), (31, 10321408), (32, 9998864), (38, 8420096), (62, 5160704), (64, 4999432), (76, 4210048), (124, 2580352), (128, 2499716), (152, 2105024), (248, 1290176), (256, 1249858), (304, 1052512), (496, 645088), (512, 624929), (589, 543232), (608, 526256), (992, 322544), (1061, 301568), (1178, 271616), (1216, 263128), (1984, 161272), (2122, 150784), (2356, 135808), (2432, 131564), (3968, 80636), (4244, 75392), (4712, 67904), (4864, 65782), (7936, 40318), (8488, 37696), (9424, 33952), (9728, 32891), (15872, 20159), (16976, 18848)]