1275778940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{11617}}^1$

素因数の和:11679

約数の個数: 72

約数和(自身を含む): 2996049840

約数和(自身を除く): 1720270900

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1445, 1615, 2890, 3230, 5491, 5780, 6460, 10982, 11617, 21964, 23234, 27455, 46468, 54910, 58085, 109820, 116170, 197489, 220723, 232340, 394978, 441446, 789956, 882892, 987445, 1103615, 1974890, 2207230, 3357313, 3752291, 3949780, 4414460, 6714626, 7504582, 13429252, 15009164, 16786565, 18761455, 33573130, 37522910, 63788947, 67146260, 75045820, 127577894, 255155788, 318944735, 637889470, 1275778940]

約数ペア:

[(1, 1275778940), (2, 637889470), (4, 318944735), (5, 255155788), (10, 127577894), (17, 75045820), (19, 67146260), (20, 63788947), (34, 37522910), (38, 33573130), (68, 18761455), (76, 16786565), (85, 15009164), (95, 13429252), (170, 7504582), (190, 6714626), (289, 4414460), (323, 3949780), (340, 3752291), (380, 3357313), (578, 2207230), (646, 1974890), (1156, 1103615), (1292, 987445), (1445, 882892), (1615, 789956), (2890, 441446), (3230, 394978), (5491, 232340), (5780, 220723), (6460, 197489), (10982, 116170), (11617, 109820), (21964, 58085), (23234, 54910), (27455, 46468)]