77393420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1511}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 176033088

約数和(自身を除く): 98639668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1511, 1970, 2561, 3022, 3940, 5122, 6044, 7555, 10244, 12805, 15110, 19643, 25610, 30220, 39286, 51220, 78572, 98215, 196430, 297667, 392860, 595334, 1190668, 1488335, 2976670, 3869671, 5953340, 7739342, 15478684, 19348355, 38696710, 77393420]

約数ペア:

[(1, 77393420), (2, 38696710), (4, 19348355), (5, 15478684), (10, 7739342), (13, 5953340), (20, 3869671), (26, 2976670), (52, 1488335), (65, 1190668), (130, 595334), (197, 392860), (260, 297667), (394, 196430), (788, 98215), (985, 78572), (1511, 51220), (1970, 39286), (2561, 30220), (3022, 25610), (3940, 19643), (5122, 15110), (6044, 12805), (7555, 10244)]