28709190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 79822080

約数和(自身を除く): 51112890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 103, 114, 163, 171, 190, 206, 285, 309, 326, 342, 489, 515, 570, 618, 815, 855, 927, 978, 1030, 1467, 1545, 1630, 1710, 1854, 1957, 2445, 2934, 3090, 3097, 3914, 4635, 4890, 5871, 6194, 7335, 9270, 9291, 9785, 11742, 14670, 15485, 16789, 17613, 18582, 19570, 27873, 29355, 30970, 33578, 35226, 46455, 50367, 55746, 58710, 83945, 88065, 92910, 100734, 139365, 151101, 167890, 176130, 251835, 278730, 302202, 318991, 503670, 637982, 755505, 956973, 1511010, 1594955, 1913946, 2870919, 3189910, 4784865, 5741838, 9569730, 14354595, 28709190]

約数ペア:

[(1, 28709190), (2, 14354595), (3, 9569730), (5, 5741838), (6, 4784865), (9, 3189910), (10, 2870919), (15, 1913946), (18, 1594955), (19, 1511010), (30, 956973), (38, 755505), (45, 637982), (57, 503670), (90, 318991), (95, 302202), (103, 278730), (114, 251835), (163, 176130), (171, 167890), (190, 151101), (206, 139365), (285, 100734), (309, 92910), (326, 88065), (342, 83945), (489, 58710), (515, 55746), (570, 50367), (618, 46455), (815, 35226), (855, 33578), (927, 30970), (978, 29355), (1030, 27873), (1467, 19570), (1545, 18582), (1630, 17613), (1710, 16789), (1854, 15485), (1957, 14670), (2445, 11742), (2934, 9785), (3090, 9291), (3097, 9270), (3914, 7335), (4635, 6194), (4890, 5871)]