210850020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{390463}}^1$

素因数の和:390481

約数の個数: 48

約数和(自身を含む): 655979520

約数和(自身を除く): 445129500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 390463, 780926, 1171389, 1561852, 1952315, 2342778, 3514167, 3904630, 4685556, 5856945, 7028334, 7809260, 10542501, 11713890, 14056668, 17570835, 21085002, 23427780, 35141670, 42170004, 52712505, 70283340, 105425010, 210850020]

約数ペア:

[(1, 210850020), (2, 105425010), (3, 70283340), (4, 52712505), (5, 42170004), (6, 35141670), (9, 23427780), (10, 21085002), (12, 17570835), (15, 14056668), (18, 11713890), (20, 10542501), (27, 7809260), (30, 7028334), (36, 5856945), (45, 4685556), (54, 3904630), (60, 3514167), (90, 2342778), (108, 1952315), (135, 1561852), (180, 1171389), (270, 780926), (540, 390463)]