245789440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14771}}^1$

素因数の和:14805

約数の個数: 72

約数和(自身を含む): 634073328

約数和(自身を除く): 388283888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 14771, 16640, 29542, 59084, 73855, 118168, 147710, 192023, 236336, 295420, 384046, 472672, 590840, 768092, 945344, 960115, 1181680, 1536184, 1890688, 1920230, 2363360, 3072368, 3781376, 3840460, 4726720, 6144736, 7680920, 9453440, 12289472, 15361840, 18906880, 24578944, 30723680, 49157888, 61447360, 122894720, 245789440]

約数ペア:

[(1, 245789440), (2, 122894720), (4, 61447360), (5, 49157888), (8, 30723680), (10, 24578944), (13, 18906880), (16, 15361840), (20, 12289472), (26, 9453440), (32, 7680920), (40, 6144736), (52, 4726720), (64, 3840460), (65, 3781376), (80, 3072368), (104, 2363360), (128, 1920230), (130, 1890688), (160, 1536184), (208, 1181680), (256, 960115), (260, 945344), (320, 768092), (416, 590840), (520, 472672), (640, 384046), (832, 295420), (1040, 236336), (1280, 192023), (1664, 147710), (2080, 118168), (3328, 73855), (4160, 59084), (8320, 29542), (14771, 16640)]