209789040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{874121}}^1$

素因数の和:874137

約数の個数: 40

約数和(自身を含む): 650346768

約数和(自身を除く): 440557728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 874121, 1748242, 2622363, 3496484, 4370605, 5244726, 6992968, 8741210, 10489452, 13111815, 13985936, 17482420, 20978904, 26223630, 34964840, 41957808, 52447260, 69929680, 104894520, 209789040]

約数ペア:

[(1, 209789040), (2, 104894520), (3, 69929680), (4, 52447260), (5, 41957808), (6, 34964840), (8, 26223630), (10, 20978904), (12, 17482420), (15, 13985936), (16, 13111815), (20, 10489452), (24, 8741210), (30, 6992968), (40, 5244726), (48, 4370605), (60, 3496484), (80, 2622363), (120, 1748242), (240, 874121)]