205128090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{25609}}^1$

素因数の和:25711

約数の個数: 48

約数和(自身を含む): 539346600

約数和(自身を除く): 334218510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 4005, 8010, 25609, 51218, 76827, 128045, 153654, 230481, 256090, 384135, 460962, 768270, 1152405, 2279201, 2304810, 4558402, 6837603, 11396005, 13675206, 20512809, 22792010, 34188015, 41025618, 68376030, 102564045, 205128090]

約数ペア:

[(1, 205128090), (2, 102564045), (3, 68376030), (5, 41025618), (6, 34188015), (9, 22792010), (10, 20512809), (15, 13675206), (18, 11396005), (30, 6837603), (45, 4558402), (89, 2304810), (90, 2279201), (178, 1152405), (267, 768270), (445, 460962), (534, 384135), (801, 256090), (890, 230481), (1335, 153654), (1602, 128045), (2670, 76827), (4005, 51218), (8010, 25609)]