200520420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{54787}}^1$

素因数の和:54860

約数の個数: 48

約数和(自身を含む): 570671808

約数和(自身を除く): 370151388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 54787, 109574, 164361, 219148, 273935, 328722, 547870, 657444, 821805, 1095740, 1643610, 3287220, 3342007, 6684014, 10026021, 13368028, 16710035, 20052042, 33420070, 40104084, 50130105, 66840140, 100260210, 200520420]

約数ペア:

[(1, 200520420), (2, 100260210), (3, 66840140), (4, 50130105), (5, 40104084), (6, 33420070), (10, 20052042), (12, 16710035), (15, 13368028), (20, 10026021), (30, 6684014), (60, 3342007), (61, 3287220), (122, 1643610), (183, 1095740), (244, 821805), (305, 657444), (366, 547870), (610, 328722), (732, 273935), (915, 219148), (1220, 164361), (1830, 109574), (3660, 54787)]