898536220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{1283}}^1$

素因数の和:1427

約数の個数: 72

約数和(自身を含む): 2013563664

約数和(自身を除く): 1115027444

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 361, 380, 388, 485, 722, 970, 1283, 1444, 1805, 1843, 1940, 2566, 3610, 3686, 5132, 6415, 7220, 7372, 9215, 12830, 18430, 24377, 25660, 35017, 36860, 48754, 70034, 97508, 121885, 124451, 140068, 175085, 243770, 248902, 350170, 463163, 487540, 497804, 622255, 700340, 926326, 1244510, 1852652, 2315815, 2364569, 2489020, 4631630, 4729138, 9263260, 9458276, 11822845, 23645690, 44926811, 47291380, 89853622, 179707244, 224634055, 449268110, 898536220]

約数ペア:

[(1, 898536220), (2, 449268110), (4, 224634055), (5, 179707244), (10, 89853622), (19, 47291380), (20, 44926811), (38, 23645690), (76, 11822845), (95, 9458276), (97, 9263260), (190, 4729138), (194, 4631630), (361, 2489020), (380, 2364569), (388, 2315815), (485, 1852652), (722, 1244510), (970, 926326), (1283, 700340), (1444, 622255), (1805, 497804), (1843, 487540), (1940, 463163), (2566, 350170), (3610, 248902), (3686, 243770), (5132, 175085), (6415, 140068), (7220, 124451), (7372, 121885), (9215, 97508), (12830, 70034), (18430, 48754), (24377, 36860), (25660, 35017)]