767980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 1774080

約数和(自身を除く): 1006100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 47, 76, 86, 94, 95, 172, 188, 190, 215, 235, 380, 430, 470, 817, 860, 893, 940, 1634, 1786, 2021, 3268, 3572, 4042, 4085, 4465, 8084, 8170, 8930, 10105, 16340, 17860, 20210, 38399, 40420, 76798, 153596, 191995, 383990, 767980]

約数ペア:

[(1, 767980), (2, 383990), (4, 191995), (5, 153596), (10, 76798), (19, 40420), (20, 38399), (38, 20210), (43, 17860), (47, 16340), (76, 10105), (86, 8930), (94, 8170), (95, 8084), (172, 4465), (188, 4085), (190, 4042), (215, 3572), (235, 3268), (380, 2021), (430, 1786), (470, 1634), (817, 940), (860, 893)]