17814440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 47709000

約数和(自身を除く): 29894560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 149, 196, 244, 245, 280, 298, 305, 392, 427, 488, 490, 596, 610, 745, 854, 980, 1043, 1192, 1220, 1490, 1708, 1960, 2086, 2135, 2440, 2980, 2989, 3416, 4172, 4270, 5215, 5960, 5978, 7301, 8344, 8540, 9089, 10430, 11956, 14602, 14945, 17080, 18178, 20860, 23912, 29204, 29890, 36356, 36505, 41720, 45445, 58408, 59780, 63623, 72712, 73010, 90890, 119560, 127246, 146020, 181780, 254492, 292040, 318115, 363560, 445361, 508984, 636230, 890722, 1272460, 1781444, 2226805, 2544920, 3562888, 4453610, 8907220, 17814440]

約数ペア:

[(1, 17814440), (2, 8907220), (4, 4453610), (5, 3562888), (7, 2544920), (8, 2226805), (10, 1781444), (14, 1272460), (20, 890722), (28, 636230), (35, 508984), (40, 445361), (49, 363560), (56, 318115), (61, 292040), (70, 254492), (98, 181780), (122, 146020), (140, 127246), (149, 119560), (196, 90890), (244, 73010), (245, 72712), (280, 63623), (298, 59780), (305, 58408), (392, 45445), (427, 41720), (488, 36505), (490, 36356), (596, 29890), (610, 29204), (745, 23912), (854, 20860), (980, 18178), (1043, 17080), (1192, 14945), (1220, 14602), (1490, 11956), (1708, 10430), (1960, 9089), (2086, 8540), (2135, 8344), (2440, 7301), (2980, 5978), (2989, 5960), (3416, 5215), (4172, 4270)]