289186810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 581644800

約数和(自身を除く): 292457990

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 109, 110, 178, 218, 271, 445, 542, 545, 890, 979, 1090, 1199, 1355, 1958, 2398, 2710, 2981, 4895, 5962, 5995, 9701, 9790, 11990, 14905, 19402, 24119, 29539, 29810, 48238, 48505, 59078, 97010, 106711, 120595, 147695, 213422, 241190, 265309, 295390, 324929, 530618, 533555, 649858, 1067110, 1326545, 1624645, 2628971, 2653090, 3249290, 5257942, 13144855, 26289710, 28918681, 57837362, 144593405, 289186810]

約数ペア:

[(1, 289186810), (2, 144593405), (5, 57837362), (10, 28918681), (11, 26289710), (22, 13144855), (55, 5257942), (89, 3249290), (109, 2653090), (110, 2628971), (178, 1624645), (218, 1326545), (271, 1067110), (445, 649858), (542, 533555), (545, 530618), (890, 324929), (979, 295390), (1090, 265309), (1199, 241190), (1355, 213422), (1958, 147695), (2398, 120595), (2710, 106711), (2981, 97010), (4895, 59078), (5962, 48505), (5995, 48238), (9701, 29810), (9790, 29539), (11990, 24119), (14905, 19402)]