1217967260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:771

約数の個数: 96

約数和(自身を含む): 2780870400

約数和(自身を除く): 1562903140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 131, 172, 190, 215, 262, 380, 430, 524, 569, 655, 817, 860, 1138, 1310, 1634, 2276, 2489, 2620, 2845, 3268, 4085, 4978, 5633, 5690, 8170, 9956, 10811, 11266, 11380, 12445, 16340, 21622, 22532, 24467, 24890, 28165, 43244, 48934, 49780, 54055, 56330, 74539, 97868, 107027, 108110, 112660, 122335, 149078, 214054, 216220, 244670, 298156, 372695, 428108, 464873, 489340, 535135, 745390, 929746, 1070270, 1416241, 1490780, 1859492, 2140540, 2324365, 2832482, 3205177, 4648730, 5664964, 6410354, 7081205, 9297460, 12820708, 14162410, 16025885, 28324820, 32051770, 60898363, 64103540, 121796726, 243593452, 304491815, 608983630, 1217967260]

約数ペア:

[(1, 1217967260), (2, 608983630), (4, 304491815), (5, 243593452), (10, 121796726), (19, 64103540), (20, 60898363), (38, 32051770), (43, 28324820), (76, 16025885), (86, 14162410), (95, 12820708), (131, 9297460), (172, 7081205), (190, 6410354), (215, 5664964), (262, 4648730), (380, 3205177), (430, 2832482), (524, 2324365), (569, 2140540), (655, 1859492), (817, 1490780), (860, 1416241), (1138, 1070270), (1310, 929746), (1634, 745390), (2276, 535135), (2489, 489340), (2620, 464873), (2845, 428108), (3268, 372695), (4085, 298156), (4978, 244670), (5633, 216220), (5690, 214054), (8170, 149078), (9956, 122335), (10811, 112660), (11266, 108110), (11380, 107027), (12445, 97868), (16340, 74539), (21622, 56330), (22532, 54055), (24467, 49780), (24890, 48934), (28165, 43244)]