203669240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83471}}^1$

素因数の和:83543

約数の個数: 32

約数和(自身を含む): 465773760

約数和(自身を除く): 262104520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 83471, 166942, 333884, 417355, 667768, 834710, 1669420, 3338840, 5091731, 10183462, 20366924, 25458655, 40733848, 50917310, 101834620, 203669240]

約数ペア:

[(1, 203669240), (2, 101834620), (4, 50917310), (5, 40733848), (8, 25458655), (10, 20366924), (20, 10183462), (40, 5091731), (61, 3338840), (122, 1669420), (244, 834710), (305, 667768), (488, 417355), (610, 333884), (1220, 166942), (2440, 83471)]