978732110

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 1877904000

約数和(自身を除く): 899171890

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 137, 178, 230, 274, 349, 445, 685, 698, 890, 1370, 1745, 2047, 3151, 3490, 4094, 6302, 8027, 10235, 12193, 15755, 16054, 20470, 24386, 31061, 31510, 40135, 47813, 60965, 62122, 80270, 95626, 121930, 155305, 239065, 280439, 310610, 478130, 560878, 714403, 1099699, 1402195, 1428806, 2199398, 2804390, 3572015, 4255357, 5498495, 7144030, 8510714, 10996990, 21276785, 42553570, 97873211, 195746422, 489366055, 978732110]

約数ペア:

[(1, 978732110), (2, 489366055), (5, 195746422), (10, 97873211), (23, 42553570), (46, 21276785), (89, 10996990), (115, 8510714), (137, 7144030), (178, 5498495), (230, 4255357), (274, 3572015), (349, 2804390), (445, 2199398), (685, 1428806), (698, 1402195), (890, 1099699), (1370, 714403), (1745, 560878), (2047, 478130), (3151, 310610), (3490, 280439), (4094, 239065), (6302, 155305), (8027, 121930), (10235, 95626), (12193, 80270), (15755, 62122), (16054, 60965), (20470, 47813), (24386, 40135), (31061, 31510)]