209024760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248839}}^1$

素因数の和:248860

約数の個数: 64

約数和(自身を含む): 716659200

約数和(自身を除く): 507634440

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, 248839, 497678, 746517, 995356, 1244195, 1493034, 1741873, 1990712, 2488390, 2986068, 3483746, 3732585, 4976780, 5225619, 5972136, 6967492, 7465170, 8709365, 9953560, 10451238, 13934984, 14930340, 17418730, 20902476, 26128095, 29860680, 34837460, 41804952, 52256190, 69674920, 104512380, 209024760]

約数ペア:

[(1, 209024760), (2, 104512380), (3, 69674920), (4, 52256190), (5, 41804952), (6, 34837460), (7, 29860680), (8, 26128095), (10, 20902476), (12, 17418730), (14, 14930340), (15, 13934984), (20, 10451238), (21, 9953560), (24, 8709365), (28, 7465170), (30, 6967492), (35, 5972136), (40, 5225619), (42, 4976780), (56, 3732585), (60, 3483746), (70, 2986068), (84, 2488390), (105, 1990712), (120, 1741873), (140, 1493034), (168, 1244195), (210, 995356), (280, 746517), (420, 497678), (840, 248839)]