89554220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 228856320

約数和(自身を除く): 139302100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 131, 133, 140, 190, 257, 262, 266, 380, 514, 524, 532, 655, 665, 917, 1028, 1285, 1310, 1330, 1799, 1834, 2489, 2570, 2620, 2660, 3598, 3668, 4585, 4883, 4978, 5140, 7196, 8995, 9170, 9766, 9956, 12445, 17423, 17990, 18340, 19532, 24415, 24890, 33667, 34181, 34846, 35980, 48830, 49780, 67334, 68362, 69692, 87115, 97660, 134668, 136724, 168335, 170905, 174230, 235669, 336670, 341810, 348460, 471338, 639673, 673340, 683620, 942676, 1178345, 1279346, 2356690, 2558692, 3198365, 4477711, 4713380, 6396730, 8955422, 12793460, 17910844, 22388555, 44777110, 89554220]

約数ペア:

[(1, 89554220), (2, 44777110), (4, 22388555), (5, 17910844), (7, 12793460), (10, 8955422), (14, 6396730), (19, 4713380), (20, 4477711), (28, 3198365), (35, 2558692), (38, 2356690), (70, 1279346), (76, 1178345), (95, 942676), (131, 683620), (133, 673340), (140, 639673), (190, 471338), (257, 348460), (262, 341810), (266, 336670), (380, 235669), (514, 174230), (524, 170905), (532, 168335), (655, 136724), (665, 134668), (917, 97660), (1028, 87115), (1285, 69692), (1310, 68362), (1330, 67334), (1799, 49780), (1834, 48830), (2489, 35980), (2570, 34846), (2620, 34181), (2660, 33667), (3598, 24890), (3668, 24415), (4585, 19532), (4883, 18340), (4978, 17990), (5140, 17423), (7196, 12445), (8995, 9956), (9170, 9766)]