208952520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248753}}^1$

素因数の和:248774

約数の個数: 64

約数和(自身を含む): 716411520

約数和(自身を除く): 507459000

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, 248753, 497506, 746259, 995012, 1243765, 1492518, 1741271, 1990024, 2487530, 2985036, 3482542, 3731295, 4975060, 5223813, 5970072, 6965084, 7462590, 8706355, 9950120, 10447626, 13930168, 14925180, 17412710, 20895252, 26119065, 29850360, 34825420, 41790504, 52238130, 69650840, 104476260, 208952520]

約数ペア:

[(1, 208952520), (2, 104476260), (3, 69650840), (4, 52238130), (5, 41790504), (6, 34825420), (7, 29850360), (8, 26119065), (10, 20895252), (12, 17412710), (14, 14925180), (15, 13930168), (20, 10447626), (21, 9950120), (24, 8706355), (28, 7462590), (30, 6965084), (35, 5970072), (40, 5223813), (42, 4975060), (56, 3731295), (60, 3482542), (70, 2985036), (84, 2487530), (105, 1990024), (120, 1741271), (140, 1492518), (168, 1243765), (210, 995012), (280, 746259), (420, 497506), (840, 248753)]