247737560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1759}}^1$

素因数の和:2280

約数の個数: 64

約数和(自身を含む): 638668800

約数和(自身を除く): 390931240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 503, 1006, 1759, 2012, 2515, 3518, 3521, 4024, 5030, 7036, 7042, 8795, 10060, 12313, 14072, 14084, 17590, 17605, 20120, 24626, 28168, 35180, 35210, 49252, 61565, 70360, 70420, 98504, 123130, 140840, 246260, 492520, 884777, 1769554, 3539108, 4423885, 6193439, 7078216, 8847770, 12386878, 17695540, 24773756, 30967195, 35391080, 49547512, 61934390, 123868780, 247737560]

約数ペア:

[(1, 247737560), (2, 123868780), (4, 61934390), (5, 49547512), (7, 35391080), (8, 30967195), (10, 24773756), (14, 17695540), (20, 12386878), (28, 8847770), (35, 7078216), (40, 6193439), (56, 4423885), (70, 3539108), (140, 1769554), (280, 884777), (503, 492520), (1006, 246260), (1759, 140840), (2012, 123130), (2515, 98504), (3518, 70420), (3521, 70360), (4024, 61565), (5030, 49252), (7036, 35210), (7042, 35180), (8795, 28168), (10060, 24626), (12313, 20120), (14072, 17605), (14084, 17590)]