420404992

素因数分解:

$2^8\times 7^1\times {\mathrm{379}}^1\times {\mathrm{619}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 963132800

約数和(自身を除く): 542727808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 379, 448, 619, 758, 896, 1238, 1516, 1792, 2476, 2653, 3032, 4333, 4952, 5306, 6064, 8666, 9904, 10612, 12128, 17332, 19808, 21224, 24256, 34664, 39616, 42448, 48512, 69328, 79232, 84896, 97024, 138656, 158464, 169792, 234601, 277312, 339584, 469202, 554624, 679168, 938404, 1109248, 1642207, 1876808, 3284414, 3753616, 6568828, 7507232, 13137656, 15014464, 26275312, 30028928, 52550624, 60057856, 105101248, 210202496, 420404992]

約数ペア:

[(1, 420404992), (2, 210202496), (4, 105101248), (7, 60057856), (8, 52550624), (14, 30028928), (16, 26275312), (28, 15014464), (32, 13137656), (56, 7507232), (64, 6568828), (112, 3753616), (128, 3284414), (224, 1876808), (256, 1642207), (379, 1109248), (448, 938404), (619, 679168), (758, 554624), (896, 469202), (1238, 339584), (1516, 277312), (1792, 234601), (2476, 169792), (2653, 158464), (3032, 138656), (4333, 97024), (4952, 84896), (5306, 79232), (6064, 69328), (8666, 48512), (9904, 42448), (10612, 39616), (12128, 34664), (17332, 24256), (19808, 21224)]