2019917160920

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1\times {\mathrm{665857}}^1$

素因数の和:666468

約数の個数: 64

約数和(自身を含む): 4580836696800

約数和(自身を除く): 2560919535880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 419, 724, 838, 905, 1448, 1676, 1810, 2095, 3352, 3620, 4190, 7240, 8380, 16760, 75839, 151678, 303356, 379195, 606712, 665857, 758390, 1331714, 1516780, 2663428, 3033560, 3329285, 5326856, 6658570, 13317140, 26634280, 120520117, 241040234, 278994083, 482080468, 557988166, 602600585, 964160936, 1115976332, 1205201170, 1394970415, 2231952664, 2410402340, 2789940830, 4820804680, 5579881660, 11159763320, 50497929023, 100995858046, 201991716092, 252489645115, 403983432184, 504979290230, 1009958580460, 2019917160920]

約数ペア:

[(1, 2019917160920), (2, 1009958580460), (4, 504979290230), (5, 403983432184), (8, 252489645115), (10, 201991716092), (20, 100995858046), (40, 50497929023), (181, 11159763320), (362, 5579881660), (419, 4820804680), (724, 2789940830), (838, 2410402340), (905, 2231952664), (1448, 1394970415), (1676, 1205201170), (1810, 1115976332), (2095, 964160936), (3352, 602600585), (3620, 557988166), (4190, 482080468), (7240, 278994083), (8380, 241040234), (16760, 120520117), (75839, 26634280), (151678, 13317140), (303356, 6658570), (379195, 5326856), (606712, 3329285), (665857, 3033560), (758390, 2663428), (1331714, 1516780)]