78740340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187477}}^1$

素因数の和:187496

約数の個数: 48

約数和(自身を含む): 251970432

約数和(自身を除く): 173230092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 187477, 374954, 562431, 749908, 937385, 1124862, 1312339, 1874770, 2249724, 2624678, 2812155, 3749540, 3937017, 5249356, 5624310, 6561695, 7874034, 11248620, 13123390, 15748068, 19685085, 26246780, 39370170, 78740340]

約数ペア:

[(1, 78740340), (2, 39370170), (3, 26246780), (4, 19685085), (5, 15748068), (6, 13123390), (7, 11248620), (10, 7874034), (12, 6561695), (14, 5624310), (15, 5249356), (20, 3937017), (21, 3749540), (28, 2812155), (30, 2624678), (35, 2249724), (42, 1874770), (60, 1312339), (70, 1124862), (84, 937385), (105, 749908), (140, 562431), (210, 374954), (420, 187477)]