348889420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{26879}}^1$

素因数の和:26958

約数の個数: 48

約数和(自身を含む): 812851200

約数和(自身を除く): 463961780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 26879, 53758, 107516, 134395, 268790, 295669, 537580, 591338, 1182676, 1478345, 1585861, 2956690, 3171722, 5913380, 6343444, 7929305, 15858610, 17444471, 31717220, 34888942, 69777884, 87222355, 174444710, 348889420]

約数ペア:

[(1, 348889420), (2, 174444710), (4, 87222355), (5, 69777884), (10, 34888942), (11, 31717220), (20, 17444471), (22, 15858610), (44, 7929305), (55, 6343444), (59, 5913380), (110, 3171722), (118, 2956690), (220, 1585861), (236, 1478345), (295, 1182676), (590, 591338), (649, 537580), (1180, 295669), (1298, 268790), (2596, 134395), (3245, 107516), (6490, 53758), (12980, 26879)]