745682740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{178393}}^1$

素因数の和:178432

約数の個数: 48

約数和(自身を含む): 1798211520

約数和(自身を除く): 1052528780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 178393, 356786, 713572, 891965, 1783930, 1962323, 3389467, 3567860, 3924646, 6778934, 7849292, 9811615, 13557868, 16947335, 19623230, 33894670, 37284137, 39246460, 67789340, 74568274, 149136548, 186420685, 372841370, 745682740]

約数ペア:

[(1, 745682740), (2, 372841370), (4, 186420685), (5, 149136548), (10, 74568274), (11, 67789340), (19, 39246460), (20, 37284137), (22, 33894670), (38, 19623230), (44, 16947335), (55, 13557868), (76, 9811615), (95, 7849292), (110, 6778934), (190, 3924646), (209, 3567860), (220, 3389467), (380, 1962323), (418, 1783930), (836, 891965), (1045, 713572), (2090, 356786), (4180, 178393)]