27973990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 56402640

約数和(自身を除く): 28428650

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 121, 122, 242, 305, 379, 605, 610, 671, 758, 1210, 1342, 1895, 3355, 3790, 4169, 6710, 7381, 8338, 14762, 20845, 23119, 36905, 41690, 45859, 46238, 73810, 91718, 115595, 229295, 231190, 254309, 458590, 508618, 1271545, 2543090, 2797399, 5594798, 13986995, 27973990]

約数ペア:

[(1, 27973990), (2, 13986995), (5, 5594798), (10, 2797399), (11, 2543090), (22, 1271545), (55, 508618), (61, 458590), (110, 254309), (121, 231190), (122, 229295), (242, 115595), (305, 91718), (379, 73810), (605, 46238), (610, 45859), (671, 41690), (758, 36905), (1210, 23119), (1342, 20845), (1895, 14762), (3355, 8338), (3790, 7381), (4169, 6710)]