1337980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 3386880

約数和(自身を除く): 2048900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 503, 532, 665, 1006, 1330, 2012, 2515, 2660, 3521, 5030, 7042, 9557, 10060, 14084, 17605, 19114, 35210, 38228, 47785, 66899, 70420, 95570, 133798, 191140, 267596, 334495, 668990, 1337980]

約数ペア:

[(1, 1337980), (2, 668990), (4, 334495), (5, 267596), (7, 191140), (10, 133798), (14, 95570), (19, 70420), (20, 66899), (28, 47785), (35, 38228), (38, 35210), (70, 19114), (76, 17605), (95, 14084), (133, 10060), (140, 9557), (190, 7042), (266, 5030), (380, 3521), (503, 2660), (532, 2515), (665, 2012), (1006, 1330)]