200947450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2789}}^1$

素因数の和:2943

約数の個数: 48

約数和(自身を含む): 411000480

約数和(自身を除く): 210053030

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 131, 262, 275, 550, 655, 1310, 1441, 2789, 2882, 3275, 5578, 6550, 7205, 13945, 14410, 27890, 30679, 36025, 61358, 69725, 72050, 139450, 153395, 306790, 365359, 730718, 766975, 1533950, 1826795, 3653590, 4018949, 8037898, 9133975, 18267950, 20094745, 40189490, 100473725, 200947450]

約数ペア:

[(1, 200947450), (2, 100473725), (5, 40189490), (10, 20094745), (11, 18267950), (22, 9133975), (25, 8037898), (50, 4018949), (55, 3653590), (110, 1826795), (131, 1533950), (262, 766975), (275, 730718), (550, 365359), (655, 306790), (1310, 153395), (1441, 139450), (2789, 72050), (2882, 69725), (3275, 61358), (5578, 36025), (6550, 30679), (7205, 27890), (13945, 14410)]