206608920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245963}}^1$

素因数の和:245984

約数の個数: 64

約数和(自身を含む): 708376320

約数和(自身を除く): 501767400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 245963, 491926, 737889, 983852, 1229815, 1475778, 1721741, 1967704, 2459630, 2951556, 3443482, 3689445, 4919260, 5165223, 5903112, 6886964, 7378890, 8608705, 9838520, 10330446, 13773928, 14757780, 17217410, 20660892, 25826115, 29515560, 34434820, 41321784, 51652230, 68869640, 103304460, 206608920]

約数ペア:

[(1, 206608920), (2, 103304460), (3, 68869640), (4, 51652230), (5, 41321784), (6, 34434820), (7, 29515560), (8, 25826115), (10, 20660892), (12, 17217410), (14, 14757780), (15, 13773928), (20, 10330446), (21, 9838520), (24, 8608705), (28, 7378890), (30, 6886964), (35, 5903112), (40, 5165223), (42, 4919260), (56, 3689445), (60, 3443482), (70, 2951556), (84, 2459630), (105, 1967704), (120, 1721741), (140, 1475778), (168, 1229815), (210, 983852), (280, 737889), (420, 491926), (840, 245963)]