205037680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1409}}^1$

素因数の和:1546

約数の個数: 80

約数和(自身を含む): 509833440

約数和(自身を除く): 304795760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 214, 272, 340, 428, 535, 680, 856, 1070, 1360, 1409, 1712, 1819, 2140, 2818, 3638, 4280, 5636, 7045, 7276, 8560, 9095, 11272, 14090, 14552, 18190, 22544, 23953, 28180, 29104, 36380, 47906, 56360, 72760, 95812, 112720, 119765, 145520, 150763, 191624, 239530, 301526, 383248, 479060, 603052, 753815, 958120, 1206104, 1507630, 1916240, 2412208, 2562971, 3015260, 5125942, 6030520, 10251884, 12061040, 12814855, 20503768, 25629710, 41007536, 51259420, 102518840, 205037680]

約数ペア:

[(1, 205037680), (2, 102518840), (4, 51259420), (5, 41007536), (8, 25629710), (10, 20503768), (16, 12814855), (17, 12061040), (20, 10251884), (34, 6030520), (40, 5125942), (68, 3015260), (80, 2562971), (85, 2412208), (107, 1916240), (136, 1507630), (170, 1206104), (214, 958120), (272, 753815), (340, 603052), (428, 479060), (535, 383248), (680, 301526), (856, 239530), (1070, 191624), (1360, 150763), (1409, 145520), (1712, 119765), (1819, 112720), (2140, 95812), (2818, 72760), (3638, 56360), (4280, 47906), (5636, 36380), (7045, 29104), (7276, 28180), (8560, 23953), (9095, 22544), (11272, 18190), (14090, 14552)]