1662397780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1\times {\mathrm{1193}}^1$

素因数の和:1433

約数の個数: 72

約数和(自身を含む): 3706639272

約数和(自身を除く): 2044241492

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 361, 380, 386, 722, 772, 965, 1193, 1444, 1805, 1930, 2386, 3610, 3667, 3860, 4772, 5965, 7220, 7334, 11930, 14668, 18335, 22667, 23860, 36670, 45334, 69673, 73340, 90668, 113335, 139346, 226670, 230249, 278692, 348365, 430673, 453340, 460498, 696730, 861346, 920996, 1151245, 1393460, 1722692, 2153365, 2302490, 4306730, 4374731, 4604980, 8613460, 8749462, 17498924, 21873655, 43747310, 83119889, 87494620, 166239778, 332479556, 415599445, 831198890, 1662397780]

約数ペア:

[(1, 1662397780), (2, 831198890), (4, 415599445), (5, 332479556), (10, 166239778), (19, 87494620), (20, 83119889), (38, 43747310), (76, 21873655), (95, 17498924), (190, 8749462), (193, 8613460), (361, 4604980), (380, 4374731), (386, 4306730), (722, 2302490), (772, 2153365), (965, 1722692), (1193, 1393460), (1444, 1151245), (1805, 920996), (1930, 861346), (2386, 696730), (3610, 460498), (3667, 453340), (3860, 430673), (4772, 348365), (5965, 278692), (7220, 230249), (7334, 226670), (11930, 139346), (14668, 113335), (18335, 90668), (22667, 73340), (23860, 69673), (36670, 45334)]