213954780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274301}}^1$

素因数の和:274326

約数の個数: 48

約数和(自身を含む): 645158304

約数和(自身を除く): 431203524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 274301, 548602, 822903, 1097204, 1371505, 1645806, 2743010, 3291612, 3565913, 4114515, 5486020, 7131826, 8229030, 10697739, 14263652, 16458060, 17829565, 21395478, 35659130, 42790956, 53488695, 71318260, 106977390, 213954780]

約数ペア:

[(1, 213954780), (2, 106977390), (3, 71318260), (4, 53488695), (5, 42790956), (6, 35659130), (10, 21395478), (12, 17829565), (13, 16458060), (15, 14263652), (20, 10697739), (26, 8229030), (30, 7131826), (39, 5486020), (52, 4114515), (60, 3565913), (65, 3291612), (78, 2743010), (130, 1645806), (156, 1371505), (195, 1097204), (260, 822903), (390, 548602), (780, 274301)]