319249780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 747371520

約数和(自身を除く): 428121740

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 41, 62, 76, 82, 95, 124, 155, 164, 190, 205, 310, 380, 410, 589, 620, 661, 779, 820, 1178, 1271, 1322, 1558, 2356, 2542, 2644, 2945, 3116, 3305, 3895, 5084, 5890, 6355, 6610, 7790, 11780, 12559, 12710, 13220, 15580, 20491, 24149, 25118, 25420, 27101, 40982, 48298, 50236, 54202, 62795, 81964, 96596, 102455, 108404, 120745, 125590, 135505, 204910, 241490, 251180, 271010, 389329, 409820, 482980, 514919, 542020, 778658, 840131, 1029838, 1557316, 1680262, 1946645, 2059676, 2574595, 3360524, 3893290, 4200655, 5149190, 7786580, 8401310, 10298380, 15962489, 16802620, 31924978, 63849956, 79812445, 159624890, 319249780]

約数ペア:

[(1, 319249780), (2, 159624890), (4, 79812445), (5, 63849956), (10, 31924978), (19, 16802620), (20, 15962489), (31, 10298380), (38, 8401310), (41, 7786580), (62, 5149190), (76, 4200655), (82, 3893290), (95, 3360524), (124, 2574595), (155, 2059676), (164, 1946645), (190, 1680262), (205, 1557316), (310, 1029838), (380, 840131), (410, 778658), (589, 542020), (620, 514919), (661, 482980), (779, 409820), (820, 389329), (1178, 271010), (1271, 251180), (1322, 241490), (1558, 204910), (2356, 135505), (2542, 125590), (2644, 120745), (2945, 108404), (3116, 102455), (3305, 96596), (3895, 81964), (5084, 62795), (5890, 54202), (6355, 50236), (6610, 48298), (7790, 40982), (11780, 27101), (12559, 25420), (12710, 25118), (13220, 24149), (15580, 20491)]